{"title":"White Cherry Pre-Workout","description":"\u003cp\u003eOur newest flavor, available in our 3 best-selling pre-workout formulas.\u003c\/p\u003e","products":[{"product_id":"bulk-preworkout","title":"Bulk Pre-Workout","description":"\u003ch2\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003ePre-workout supplements—all with virtually identical formulas—are a dime a dozen these days. As one of the industry’s top-selling pre-workout powders, Transparent Labs Bulk Pre-Workout has separated itself from the competition thanks to a comprehensive, evidence-based lineup of clinically dosed ingredients, fully transparent labeling, and absolutely no artificial color\/food dyes, artificial sweeteners, or artificial flavoring.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eWith over 17 grams of active ingredients per scoop, BULK Pre-Workout sets the stage for you to crush it in the gym and pack on lean muscle mass by enhancing muscle strength, blood flow (muscle pumps), endurance, focus, and energy. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-color=\"transparent\"\u003eScience-Based Pre-Workout Supplement for Increasing Lean Muscle Mass: \u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-color=\"transparent\"\u003eBULK Pre-Workout is formulated for gym-goers and athletes who prioritize muscle-building and improved physical performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-color=\"transparent\"\u003eEnhances Strength, Stamina, and Muscle Pumps During Training: \u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-color=\"transparent\"\u003eWith an unmatched blend of clinically dosed nitric oxide boosters and ergogenic aids, BULK Pre-Workout fortifies athletic performance and bolsters blood flow starting from the very first scoop.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-color=\"transparent\"\u003eSupports Anabolic Hormone Production: \u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-color=\"transparent\"\u003eThe natural testosterone-supporting ingredients in BULK Pre-Workout provide lasting nutritional support for muscle growth and recovery.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-color=\"transparent\"\u003ePromotes Mental acuity, Focus, Drive, and Energy: \u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-color=\"transparent\"\u003eGet dialed in for every workout with hard-hitting nootropics like AlphaSize® alpha-GPC, PurCaf® caffeine, L-tyrosine, and taurine. \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNaturally Flavored and Sweetened with Stevia: \u003c\/strong\u003eMost pre-workouts come loaded with artificial colors, sweeteners, or flavors. We know you care about what you put in your body, so BULK Pre-Workout is made with natural flavoring and stevia instead of the hidden junk you find in other pre-workout formulas.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cb id=\"docs-internal-guid-a0310e30-7fff-4824-7953-3eed72f7381b\"\u003e\u003cspan\u003eThird-Party Tested and Certified for Quality: \u003c\/span\u003e\u003c\/b\u003eAs part of our commitment to industry-leading transparency and quality, every batch of this product is tested by a third-party lab for purity and potency. You can find all of our test results in the footer of our website. This product is also certified by\u003cstrong\u003e Informed Choice\u003c\/strong\u003e to meet the highest standards for athletes and consumers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eActive Ingredients and Benefits\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003e*Doses listed are per serving (1 full scoop)\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eL-Citrulline Malate (2:1) | 8,000 mg\u003c\/h3\u003e\n\u003cp\u003eL-citrulline is an amino acid naturally found in watermelon that plays an important role in kidney function. It's become a popular ingredient in pre-workout supplements due to its ability to boost nitric oxide levels [\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/17662090\/\" rel=\"noopener noreferrer\"\u003e1\u003c\/a\u003e]. When nitric oxide production increases, blood flow improves, allowing nutrients and oxygen to replenish muscle tissue more efficiently. Ultimately, this translates to greater muscle pumps and heightened energy levels.\u003c\/p\u003e\n\u003cp\u003eNumerous studies have demonstrated the ergogenic effects of L-citrulline malate, the citrulline salt of malic acid, such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eI\u003cspan data-color=\"transparent\"\u003emproving strength, aerobic performance, and muscle endurance [\u003c\/span\u003e\u003ca href=\"http:\/\/www.ncbi.nlm.nih.gov\/pubmed\/22251130\" rel=\"noopener noreferrer\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e2\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e, \u003c\/span\u003e\u003ca href=\"http:\/\/www.ncbi.nlm.nih.gov\/pubmed\/20386132\" rel=\"noopener noreferrer\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e3\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e]\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eElevating nitric oxide levels even more than equivalent doses of L-arginine [\u003c\/span\u003e\u003ca href=\"http:\/\/www.ncbi.nlm.nih.gov\/pubmed\/17662090\" rel=\"noopener noreferrer\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e4\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e]\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eEnhancing muscle anabolism and reducing muscle catabolism [\u003c\/span\u003e\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/32568925\/\" rel=\"noopener noreferrer\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e5\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e]\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBeta-Alanine | 4,000 mg\u003c\/h3\u003e\n\u003cp\u003eBeta-alanine is a beta-amino acid that combines with L-histidine to form a dipeptide known as carnosine.\u003cspan data-color=\"rgb(247, 249, 252)\"\u003e \u003c\/span\u003e\u003cspan data-color=\"transparent\"\u003eSupplementing with beta-alanine has been shown to increase muscle carnosine levels, which are quickly depleted during intense exercise [\u003c\/span\u003e\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/28106620\/\" rel=\"noopener noreferrer\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e6\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e]. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eCarnosine is an endogenous dipeptide that functions as a buffer in muscle cells, thereby attenuating the accumulation of acidic byproducts of muscular exertion (e.g. lactate and hydrogen ions) [\u003c\/span\u003e\u003ca href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/19131472%20\" rel=\"noopener noreferrer\"\u003e\u003cspan data-color=\"transparent\"\u003e7\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e]. Hence, bolstering muscle carnosine levels—via beta-alanine—allows you to push yourself longer and harder in the gym. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003ePre-workout supplements almost always contain beta-alanine but in inefficacious doses. We made sure to include a full clinical dose of beta-alanine (4,000 mg) in every scoop of BULK Pre-Workout. Relevant evidence-based benefits of beta-alanine include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eDelaying the onset of neuromuscular fatigue during intense exercise [\u003c\/span\u003e\u003ca href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC2585553\/\" rel=\"noopener noreferrer\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e8\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e]\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eIncreasing overall muscle strength [\u003c\/span\u003e\u003ca href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/17136944\" rel=\"noopener noreferrer\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e9\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e] \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eImproving muscle endurance and total work capacity [\u003c\/span\u003e\u003ca href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/19083385\" rel=\"noopener noreferrer\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e10\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e]\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eReducing and combatting the formation of dysfunctional proteins and promoting the formation of healthy proteins [\u003c\/span\u003e\u003ca href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC1137521\/\" rel=\"noopener noreferrer\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e11\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e]\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eSignificantly increasing lean muscle mass as part of a diligent resistance-training program [\u003c\/span\u003e\u003ca href=\"http:\/\/www.ncbi.nlm.nih.gov\/pubmed\/21659893\" rel=\"noopener noreferrer\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e12\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e]\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e*Note that beta-alanine causes a benign tingling sensation known as paresthesia while the body acclimates to higher carnosine levels. This effect is harmless and gradually lessens with consistent use. \u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eBetaPure™ Betaine Anhydrous | 2,500 mg\u003c\/h3\u003e\n\u003cp\u003eBetaine, also known as trimethylglycine, is a naturally occurring metabolite that serves as a methyl donor and osmolyte in the body. Though the mechanisms are not entirely understood, betaine supplementation has shown promise in enhancing power output and, to a lesser extent, endurance capacity in athletes [\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/34663363\/\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cu\u003e13\u003c\/u\u003e\u003c\/a\u003e, \u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/35599921\/\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cu\u003e14\u003c\/u\u003e\u003c\/a\u003e, \u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/22080324\/\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cu\u003e15\u003c\/u\u003e\u003c\/a\u003e]. It is plausible that betaine supplementation promotes athletic performance by maintaining cellular hydration and reducing homocysteine levels, thereby encouraging healthy cardiovascular function and blood flow [\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/16197300\/\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cu\u003e16\u003c\/u\u003e\u003c\/a\u003e].\u003c\/p\u003e\n\u003ch3\u003eTaurine | 1,300 mg\u003c\/h3\u003e\n\u003cp\u003eTaurine is another staple pre-workout ingredient with diverse benefits for athletes and gym-goers. For one, taurine is a potent nootropic that confers synergy with caffeine to promote focus and reduce brain cell inflammation and oxidative stress [\u003ca href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/30221665\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cu\u003e17\u003c\/u\u003e\u003c\/a\u003e, \u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/35334949\/\" rel=\"noopener noreferrer\"\u003e18\u003c\/a\u003e]. \u003c\/p\u003e\n\u003cp\u003eTaurine can also enhance physical performance via increased blood flow to skeletal muscle tissue [\u003ca href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/21334852\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cu\u003e19\u003c\/u\u003e\u003c\/a\u003e, \u003ca href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/20667936\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cu\u003e20\u003c\/u\u003e\u003c\/a\u003e]. Greater blood flow to muscle tissue encourages a favorable milieu for muscle function and recovery during training. Additionally, taurine supplementation has been shown to improve performance in endurance athletes [\u003ca href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/29546641\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cu\u003e21\u003c\/u\u003e\u003c\/a\u003e].\u003c\/p\u003e\n\u003ch3\u003eL-Tyrosine | 1,000 mg\u003c\/h3\u003e\n\u003cp\u003eL-tyrosine is a conditionally essential amino acid that serves as a precursor to dopamine and norepinephrine, two neurotransmitters that govern motivation and reward. Research shows that supplementing with L-tyrosine can significantly enhance cognitive performance, especially under acutely stressful situations (such as intense training) [\u003ca href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/25797188\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cu\u003e22\u003c\/u\u003e\u003c\/a\u003e]. L-Tyrosine has also been shown to improve “cognitive flexibility,” meaning it can help you adapt to changing cognitive demands without letting extraneous thoughts take over [\u003ca href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC7116420\/\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cu\u003e23\u003c\/u\u003e\u003c\/a\u003e].\u003c\/p\u003e\n\u003ch3\u003e\u003cspan data-color=\"transparent\"\u003eAlphaSize® Alpha-GPC | 300 mg\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eAlpha-GPC (glycerylphosphorylcholine) is a popular nootropic supplement and a bioavailable source of choline, an essential micronutrient for cholinergic transmission and, by extension, cognitive function. Alpha-GPC is primarily found in the brain and is one of the two major storage forms of choline in the cytosol (interior space of cells), along with phosphocholine [\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/12637119\/\" rel=\"noopener noreferrer\"\u003e\u003cu\u003e24\u003c\/u\u003e\u003c\/a\u003e].\u003c\/p\u003e\n\u003cp\u003eThis ingredient can enhance physical and mental performance by increasing acetylcholine and growth hormone production [\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/23387341\/\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cu\u003e2\u003c\/u\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/23387341\/\" rel=\"noopener noreferrer\"\u003e\u003cu\u003e5\u003c\/u\u003e\u003c\/a\u003e\u003cu\u003e,\u003c\/u\u003e \u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/11589921\/\" rel=\"noopener noreferrer\"\u003e\u003cu\u003e26\u003c\/u\u003e\u003c\/a\u003e\u003cu\u003e,\u003c\/u\u003e \u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/22673596\/\" rel=\"noopener noreferrer\"\u003e\u003cu\u003e27\u003c\/u\u003e\u003c\/a\u003e]. The former is important for focus and mental acuity, while the latter promotes fatty acid oxidation and reduces muscle tissue breakdown. As such, alpha-GPC (as patented AlphaSize®) is one of the key ingredients in Bulk Pre-Workout.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan data-color=\"transparent\"\u003ePurCaf® Organic Caffeine | 200 mg\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eWhile most pre-workouts contain synthetic caffeine anhydrous, we formulated BULK Pre-Workout with organic caffeine derived from green coffee beans (as PurCaf®). On the molecular level, caffeine (chemically known as 1,3,7-trimethylxanthine) is an alkaline, organic substance derived from xanthine — a biologically important purine base found in many bodily tissues and fluids. Methylxanthines like caffeine and theobromine stimulate the central nervous system (CNS) and heart to promote wakefulness and motivation.\u003c\/p\u003e\n\u003cp\u003eNumerous studies have shown that taking caffeine before exercise can significantly improve overall performance, largely by reducing the rate of perceived exertion [\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/28872376\/\" rel=\"noopener noreferrer\"\u003e28\u003c\/a\u003e]. Caffeine may also enhance endurance and strength by increasing fatty acid oxidation and sparing muscle glycogen [\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/35972531\/\" rel=\"noopener noreferrer\"\u003e29\u003c\/a\u003e].\u003c\/p\u003e\n\u003ch3\u003eL-Theanine | 200 mg\u003c\/h3\u003e\n\u003cp\u003eL-theanine is an isomer of the amino acids L-glutamate and L-glutamine. It was discovered centuries ago as one of the primary amino acids in green tea leaves and is also found in various mushroom species.\u003c\/p\u003e\n\u003cp\u003eL-theanine is highly bioavailable when taken orally and actively traverses the blood-brain barrier to enhance mental acuity and attenuate stress [\u003ca href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0308814617315017\" rel=\"noopener noreferrer\"\u003e\u003cu\u003e30\u003c\/u\u003e\u003c\/a\u003e\u003cu\u003e,\u003c\/u\u003e \u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/31412272\/\" rel=\"noopener noreferrer\"\u003e\u003cu\u003e31\u003c\/u\u003e\u003c\/a\u003e]. Its nootropic effects are appropriately described as \"alert relaxation,\" which is to say it promotes a sense of calmness while improving focus. L-theanine can also help take the edge off of stimulants, particularly caffeine. In fact, research shows that pairing L-theanine with caffeine creates a nootropic synergy that bolsters cognitive function and alertness more effectively than taking either nootropic on its own [\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/31412272\/\" rel=\"noopener noreferrer\"\u003e\u003cu\u003e32\u003c\/u\u003e\u003c\/a\u003e].\u003c\/p\u003e\n\u003ch3\u003eTheobromine | 50 mg\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eTheobromine is the primary alkaloid found in cocoa beans and is essentially the “little brother” of caffeine. Its functions in the body are suggested to be complementary to those of caffeine, acting as a phosphodiesterase inhibitor and central nervous system stimulant [\u003c\/span\u003e\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/24145871\/\" rel=\"noopener noreferrer\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e33\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e]. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eResearch has also found that theobromine has differential contributions to mood and cognitive function compared to caffeine, providing further insight into the distinct yet synergistic nature of these naturally occurring stimulants [\u003c\/span\u003e\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/23764688\/\" rel=\"noopener noreferrer\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e34\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e].\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eSenActiv® | 50 mg\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eThe distinguished adaptogens that comprise SenActiv® are \u003c\/span\u003e\u003cem\u003e\u003cspan data-color=\"transparent\"\u003ePanax notoginseng\u003c\/span\u003e\u003c\/em\u003e\u003cspan data-color=\"transparent\"\u003e root and rose hips (\u003c\/span\u003e\u003cem\u003e\u003cspan data-color=\"transparent\"\u003eRosa roxburghii\u003c\/span\u003e\u003c\/em\u003e\u003cspan data-color=\"transparent\"\u003e). The notoginseng in SenActiv® is highly concentrated in notoginsenoside R1, a beneficial compound that helps accelerate muscle recovery during\/after intense exercise. Likewise, the rose hips provide several ginsenoside-like molecules that confer synergistic recovery-enhancing effects with ginsenoside R1 [\u003c\/span\u003e\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/35968550\/\" rel=\"noopener noreferrer\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e35\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e]. These phytonutrients are suggested to work by bolstering a cellular \"cleaning\" process known as autophagy, particularly in skeletal muscle cells [\u003c\/span\u003e\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/32103897\/\" rel=\"noopener noreferrer\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e36\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e, \u003c\/span\u003e\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/31739829\/\" rel=\"noopener noreferrer\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e37\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e, \u003c\/span\u003e\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/32015954\/\" rel=\"noopener noreferrer\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e38\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e]. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eBioPerine® | 5 mg\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eBioPerine® is a patented black pepper (\u003c\/span\u003e\u003cem\u003e\u003cspan data-color=\"transparent\"\u003ePiper nigrum\u003c\/span\u003e\u003c\/em\u003e\u003cspan data-color=\"transparent\"\u003e) fruit extract standardized for its piperine content. Piperine is a natural alkaloid known for its “bioenhancer” properties, improving the bioavailability of molecules that are typically poorly absorbed or extensively metabolized in the liver [\u003c\/span\u003e\u003ca href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/15284381\" rel=\"noopener noreferrer\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e39\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e, \u003c\/span\u003e\u003ca href=\"https:\/\/link.springer.com\/article\/10.1007\/BF00314996\" rel=\"noopener noreferrer\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e40\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e]. Hence, BioPerine® helps your body better absorb and utilize the other active ingredients in BULK Pre-Workout.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eBoron Citrate | 3,000 mcg (3 mg)\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eBoron is an important trace mineral with numerous roles in the human body. \u003c\/span\u003eRecent evidence suggests that men who supplement with boron daily have higher levels of testosterone and lower levels of estradiol (estrogen) than those who don’t [\u003ca href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/9638606\" rel=\"noopener noreferrer\"\u003e41\u003c\/a\u003e].\u003c\/p\u003e\n\u003ch3\u003eZinc Chelate | 10 mg\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eChelated zinc is a bioavailable source of zinc, an essential cofactor for various enzymes. Research suggests zinc is crucial for supporting fertility and sperm cell counts in men [\u003c\/span\u003e\u003ca href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/3666872\" rel=\"noopener noreferrer\"\u003e\u003cspan data-color=\"transparent\"\u003e42\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e]. This is largely because zinc aids in natural testosterone production, and males who are zinc deficient are at a higher risk of infertility [\u003c\/span\u003e\u003ca href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/20446777\" rel=\"noopener noreferrer\"\u003e\u003cspan data-color=\"transparent\"\u003e43\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e].\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eVitamins B6 and B12 | 5 mg and 100 mcg\u003c\/h3\u003e\n\u003cp\u003eVitamins, as a collective group, are essential micronutrients that act as coenzymes (read: \"helper molecules\") for enzymes throughout the body. Vitamins B6 and B12 are water-soluble vitamins that are particularly important for cognitive function, cardiovascular health, nutrient metabolism, and immunity [\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/16004830\/\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cu\u003e44\u003c\/u\u003e\u003c\/a\u003e, \u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/35933667\/\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cu\u003e45\u003c\/u\u003e\u003c\/a\u003e]. As such, you can't go wrong with having these in your pre-workout arsenal.\u003c\/p\u003e\n\u003ch3\u003eSodium and Potassium | 180 mg and 125 mg\u003c\/h3\u003e\n\u003cp\u003eMany minerals act as electrolytes in aqueous solutions, meaning they carry an electric charge that influences concentration gradients across cellular membranes and enzyme functions. Sodium and potassium are arguably the most important electrolyte minerals, being well-known to impact hydration status and exercise performance [\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/33803421\/\" rel=\"noopener noreferrer\"\u003e46\u003c\/a\u003e].\u003c\/p\u003e\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFor Beginners: \u003c\/strong\u003eTo assess tolerance, mix 1\/2 scoop with 6 to 8 oz of water and consume 20-30 minutes before exercising, preferably on an empty stomach. If the effects feel subtle, increase to a full scoop before the next workout.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor Experienced Pre-Workout Users: \u003c\/strong\u003eMix 1 full scoop with 10 to 12 oz of water and consume 20-30 minutes before exercising, preferably on an empty stomach.\u003c\/p\u003e\n\u003ch2\u003eThird-Party Testing\u003c\/h2\u003e\n\u003cp\u003ePlease click below for third-party testing results from the most recent batch of Bulk Pre-Workout:\u003c\/p\u003e\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-color=\"transparent\"\u003eWhat Does BULK Pre-Workout Do?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAs with most pre-workouts, BULK is designed with your performance in mind, helping you push harder for longer in the gym. For more insights into how the BULK Pre-Workout formula actually works, please see the ingredient overviews above.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-color=\"transparent\"\u003eHow Long Does BULK Pre-Workout Last For?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEach container has 30 servings; for most gym-goers, that will last 30-40 workouts, depending on how large of a scoop you take.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-color=\"transparent\"\u003eHow should PreSeries BULK be Taken to Maximize its Effectiveness?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eTo maximize the effectiveness of Bulk Pre-Workout, aim to finish drinking your dose 15-30 minutes prior to your workout. This should give the product plenty of time to \"kick in.\" In terms of how much water to drink with BULK Pre-Workout, we recommend mixing 6-10 fl. oz of water with 1\/2 scoop (to assess tolerance) and mixing 12-16 fl. oz of water with 1 full scoop.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-color=\"transparent\"\u003eCan I Take BULK Pre-Workout if I am Subjected to Drug Testing for my Sport?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eYes, absolutely. Transparent Labs Bulk Pre-Workout contains zero banned substances and is Informed Choice certified for athletes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-color=\"transparent\"\u003eWhy Doesn't BULK Pre-Workout Contain Creatine?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eLarge doses of caffeine may interfere with the ergogenic effects of creatine [\u003c\/span\u003e\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/35016154\/\" rel=\"noopener noreferrer\"\u003e\u003cspan data-color=\"transparent\"\u003e47\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e]; since BULK Pre-Workout contains caffeine, we decided to keep the creatine separate.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-color=\"transparent\"\u003eWhat is the Difference Between Transparent Labs BULK, LEAN, and STIM-FREE Pre Workout?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003ePreSeries BULK is designed to support lean muscle growth and includes testosterone-supporting micronutrients, while PreSeries LEAN is designed to support fat loss and includes a thyroid support complex. PreSeries STIM-FREE, as the name suggests, contains zero stimulants and has added elevATP® for energy production.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-color=\"transparent\"\u003eI Don't Live in the United States, Can I Still Buy PreSeries BULK?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eYes - our fulfillment center allows us to ship worldwide (with some exceptions due to fraudulent activity in certain countries; see \u003c\/span\u003e\u003ca href=\"https:\/\/www.transparentlabs.com\/pages\/shipping-tracking-delivery-guide-for-transparent-labs\" rel=\"noopener noreferrer\"\u003e\u003cspan data-color=\"transparent\"\u003ehere for more info\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e). Standard shipping for international orders typically takes 10-14 business days to arrive.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-color=\"transparent\"\u003eDoes this Product Contain Nuts?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo! While Transparent Labs Bulk Pre-Workout is manufactured in a facility that processes nuts (coconuts and peanuts), we have an allergen control program that requires sanitization and cleaning of the manufacturing equipment to avoid cross-contamination of allergenic and hypoallergenic materials.\u003c\/p\u003e\n\u003c!----\u003e","brand":"Transparent Labs","offers":[{"title":"Blue Raspberry","offer_id":39376076636253,"sku":"TPL001102","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Strawberry Lemonade","offer_id":41170089476189,"sku":"TPL001105","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Sour Watermelon","offer_id":44409326469213,"sku":"TPL001125","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Tropical Punch","offer_id":41536882442333,"sku":"TPL001108","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Peach Mango","offer_id":40110914011229,"sku":"TPL001114","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Black Cherry","offer_id":40110913355869,"sku":"TPL001115","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Pineapple Coconut","offer_id":40668129394781,"sku":"TPL001117","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Strawberry Kiwi","offer_id":40568300142685,"sku":"TPL001116","price":49.99,"currency_code":"USD","in_stock":true},{"title":"White Cherry","offer_id":44248689082461,"sku":"TPL001122","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Watermelon","offer_id":41142378561629,"sku":"TPL001112","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Sour Grape","offer_id":39327098863709,"sku":"TPL001106","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0866\/7664\/files\/TL_Bulk_30S_BR_1_1_1defd9cb-a9d2-4603-9509-7b02cd578d47.png?v=1745871768"},{"product_id":"lean-preworkout","title":"Lean Pre-Workout","description":"\u003ch2\u003e\u003cspan\u003eOverview \u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan data-color=\"transparent\"\u003eAre you tired of \"cutting pre-workouts\" that just don't...cut it? If so, you've come to the right spot! Transparent Labs Lean Pre-Workout is an evidence-based pre-workout formula featuring clinical doses of ergogenic ingredients that help you perform your best in the gym while supporting your fat-loss efforts. Experience the difference of a true cutting pre-workout formula that gets you dialed in for every training session by enhancing blood flow, strength, endurance, focus, drive, and energy production. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eEach ingredient in this pre-workout supplement was carefully chosen based on scientific research and quality characteristics, two factors that are sadly overlooked far too often in the sports supplement realm. Like all of our products, Lea Pre-Workout has fully transparent labeling, and absolutely no artificial color\/food dyes, artificial sweeteners, or artificial flavoring. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-color=\"transparent\"\u003eClinically Dosed Pre-Workout for Lean Mass Retention and Fat Loss: \u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-color=\"transparent\"\u003eTransparent Labs LEAN Pre-Workout is an evidence-based pre-workout that enhances athletic performance while supporting fat loss. \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-color=\"transparent\"\u003eImproves Strength, Stamina, and Muscle Pumps During Training: \u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-color=\"transparent\"\u003eWith a comprehensive lineup of clinically dosed nitric oxide boosters and ergogenic aids, LEAN Pre-Workout augments athletic performance and increases blood flow to muscle tissue starting from the very first scoop.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-color=\"transparent\"\u003eProvides an Immediate Energy Boost with Natural Caffeine: \u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-color=\"transparent\"\u003eLeave even the most intense workouts in the dust with clean nootropics like PurCaf® caffeine, theobromine, acetyl-L-carnitine, and choline bitartrate. \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChoose from 8 Refreshing All-Natural Flavors Sweetened with Stevia: \u003c\/strong\u003eMost pre-workouts come loaded with artificial colors, sweeteners, or flavors. We know you care about what you put in your body, so our goal was to make LEAN a great-tasting pre-workout with natural flavoring and stevia instead of the hidden junk you find in other caffeine-infused pre-workouts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eThird-Party Tested and Certified for Quality:\u003c\/strong\u003e \u003c\/span\u003e\u003cspan\u003eAs part of our commitment to industry-leading transparency and quality, every batch of this product is tested by a third-party lab for purity and potency. You can find all of our test results in the footer of our website. This product is also certified by\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003eInformed Choice\u003c\/strong\u003e\u003cspan\u003e to meet the highest standards for athletes and consumers.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eActive Ingredients and Benefits\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003e*Doses listed are per serving (1 full scoop)\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eL-Citrulline Malate (2:1) | 6,000 mg\u003c\/h3\u003e\n\u003cp\u003eL-citrulline is an amino acid naturally found in watermelon that plays an important role in kidney function. It's become a popular ingredient in pre-workout supplements due to its ability to boost nitric oxide levels [\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/17662090\/\"\u003e1\u003c\/a\u003e]. When nitric oxide production increases, blood flow improves, allowing nutrients and oxygen to replenish muscle tissue more efficiently. Ultimately, this translates to greater muscle pumps and heightened energy levels.\u003c\/p\u003e\n\u003cp\u003eNumerous studies have demonstrated the ergogenic effects of L-citrulline malate, the citrulline salt of malic acid, such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eI\u003cspan data-color=\"transparent\"\u003emproving strength, aerobic performance, and muscle endurance [\u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/pubmed\/22251130\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e2\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e, \u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/pubmed\/20386132\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e3\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e]\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eElevating nitric oxide levels even more than equivalent doses of L-arginine [\u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/pubmed\/17662090\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e4\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e]\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eEnhancing muscle anabolism and reducing muscle catabolism [\u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/32568925\/\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e5\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e]\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBeta-Alanine | 2,000 mg\u003c\/h3\u003e\n\u003cp\u003eBeta-alanine is a beta-amino acid that combines with L-histidine to form a dipeptide known as carnosine.\u003cspan data-color=\"rgb(247, 249, 252)\"\u003e \u003c\/span\u003e\u003cspan data-color=\"transparent\"\u003eSupplementing with beta-alanine has been shown to increase muscle carnosine levels, which are quickly depleted during intense exercise [\u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/28106620\/\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e6\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e]. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eCarnosine is an endogenous dipeptide that functions as a buffer in muscle cells, thereby attenuating the accumulation of acidic byproducts of muscular exertion (e.g. lactate and hydrogen ions) [\u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/19131472%20\"\u003e\u003cspan data-color=\"transparent\"\u003e7\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e]. Hence, bolstering muscle carnosine levels—via beta-alanine—allows you to push yourself longer and harder in the gym. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003ePre-workout supplements almost always contain beta-alanine but in inefficacious doses. We made sure to include an evidence-based dose of beta-alanine (2,000 mg) in every scoop of LEAN Pre-Workout. Relevant evidence-based benefits of beta-alanine include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eDelaying the onset of neuromuscular fatigue during intense exercise [\u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC2585553\/\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e8\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e]\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eIncreasing overall muscle strength [\u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/17136944\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e9\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e] \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eImproving muscle endurance and total work capacity [\u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/19083385\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e10\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e]\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eReducing and combatting the formation of dysfunctional proteins and promoting the formation of healthy proteins [\u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC1137521\/\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e11\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e]\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eSignificantly increasing lean muscle mass as part of a diligent resistance-training program [\u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/pubmed\/21659893\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e12\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e]\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e*Note that beta-alanine causes a benign tingling sensation known as paresthesia while the body acclimates to higher carnosine levels. This effect is harmless and gradually lessens with consistent use. \u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eBetaPure™ Betaine Anhydrous | 1,500 mg\u003c\/h3\u003e\n\u003cp\u003eBetaine, also known as trimethylglycine, is a naturally occurring metabolite that serves as a methyl donor and osmolyte in the body. Though the mechanisms are not entirely understood, betaine supplementation has shown promise in enhancing power output and, to a lesser extent, endurance capacity in athletes [\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/34663363\/\" target=\"_blank\"\u003e\u003cu\u003e13\u003c\/u\u003e\u003c\/a\u003e, \u003ca rel=\"noopener noreferrer\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/35599921\/\" target=\"_blank\"\u003e\u003cu\u003e14\u003c\/u\u003e\u003c\/a\u003e, \u003ca rel=\"noopener noreferrer\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/22080324\/\" target=\"_blank\"\u003e\u003cu\u003e15\u003c\/u\u003e\u003c\/a\u003e]. It is plausible that betaine supplementation promotes athletic performance by maintaining cellular hydration and reducing homocysteine levels, thereby encouraging healthy cardiovascular function and blood flow [\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/16197300\/\" target=\"_blank\"\u003e\u003cu\u003e16\u003c\/u\u003e\u003c\/a\u003e].\u003c\/p\u003e\n\u003ch3\u003eAcetyl-L-Carnitine (ALCAR) | 1,000 mg\u003c\/h3\u003e\n\u003cp\u003eAcetyl-L-carnitine (ALCAR) is a bioavailable form of L-carnitine, an essential molecule for transporting fatty acids across mitochondrial membranes so they can be used for energy. ALCAR is suggested to have diverse ergogenic properties for athletes and gym-goers due to its potent nootropic effects that promote healthy mood and cognitive function and protect against neurodegeneration [\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/23965166\/\" target=\"_blank\"\u003e\u003cu\u003e17\u003c\/u\u003e\u003c\/a\u003e, \u003ca rel=\"noopener noreferrer\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/29076953\/\"\u003e18\u003c\/a\u003e]. \u003c\/p\u003e\n\u003cp\u003eALCAR may also enhance physical performance and target stubborn fat by facilitating fatty acid oxidation [\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/19720100\/\" target=\"_blank\"\u003e\u003cu\u003e19\u003c\/u\u003e\u003c\/a\u003e, \u003ca rel=\"noopener noreferrer\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/10826498\/\" target=\"_blank\"\u003e\u003cu\u003e20\u003c\/u\u003e\u003c\/a\u003e].\u003c\/p\u003e\n\u003ch3\u003e\u003cspan data-color=\"transparent\"\u003eCholine Bitartrate | 500 mg\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eCholine is an essential micronutrient for cholinergic transmission and, by extension, cognitive function. This ingredient can enhance physical and mental performance by increasing acetylcholine and supporting lipid metabolism [\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/26271904\/\" target=\"_blank\"\u003e\u003cu\u003e2\u003c\/u\u003e\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/26271904\/\"\u003e\u003cu\u003e1\u003c\/u\u003e\u003c\/a\u003e\u003cu\u003e,\u003c\/u\u003e \u003ca rel=\"noopener noreferrer\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/33066009\/\"\u003e\u003cu\u003e22\u003c\/u\u003e\u003c\/a\u003e].\u003c\/p\u003e\n\u003ch3\u003e\u003cspan data-color=\"transparent\"\u003ePurCaf® Organic Caffeine | 180 mg\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eWhile most pre-workouts contain synthetic caffeine anhydrous, we formulated LEAN Pre-Workout with organic caffeine derived from green coffee beans (as PurCaf®). On the molecular level, caffeine (chemically known as 1,3,7-trimethylxanthine) is an alkaline, organic substance derived from xanthine — a biologically important purine base found in many bodily tissues and fluids. Methylxanthines like caffeine and theobromine stimulate the central nervous system (CNS) and heart to promote wakefulness and motivation.\u003c\/p\u003e\n\u003cp\u003eNumerous studies have shown that taking caffeine before exercise can significantly improve overall performance, largely by reducing the rate of perceived exertion [\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/28872376\/\"\u003e23\u003c\/a\u003e]. Caffeine may also enhance endurance and strength by increasing fatty acid oxidation and sparing muscle glycogen [\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/35972531\/\"\u003e24\u003c\/a\u003e].\u003c\/p\u003e\n\u003ch3\u003eL-Theanine | 180 mg\u003c\/h3\u003e\n\u003cp\u003eL-theanine is an isomer of the amino acids L-glutamate and L-glutamine. It was discovered centuries ago as one of the primary amino acids in green tea leaves and is also found in various mushroom species.\u003c\/p\u003e\n\u003cp\u003eL-theanine is highly bioavailable when taken orally and actively traverses the blood-brain barrier to enhance mental acuity and attenuate stress [\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0308814617315017\"\u003e\u003cu\u003e25\u003c\/u\u003e\u003c\/a\u003e\u003cu\u003e,\u003c\/u\u003e \u003ca rel=\"noopener noreferrer\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/31412272\/\"\u003e\u003cu\u003e26\u003c\/u\u003e\u003c\/a\u003e]. Its nootropic effects are appropriately described as \"alert relaxation,\" which is to say it promotes a sense of calmness while improving focus. L-theanine can also help take the edge off of stimulants, particularly caffeine. In fact, research shows that pairing L-theanine with caffeine creates a nootropic synergy that bolsters cognitive function and alertness more effectively than taking either nootropic on its own [\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/31412272\/\"\u003e\u003cu\u003e27\u003c\/u\u003e\u003c\/a\u003e].\u003c\/p\u003e\n\u003ch3\u003eTheobromine | 50 mg\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eTheobromine is the primary alkaloid found in cocoa beans and is essentially the “little brother” of caffeine. Its functions in the body are suggested to be complementary to those of caffeine, acting as a phosphodiesterase inhibitor and central nervous system stimulant [\u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/24145871\/\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e28\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e]. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eResearch has also found that theobromine has differential contributions to mood and cognitive function compared to caffeine, providing further insight into the distinct yet synergistic nature of these naturally occurring stimulants [\u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/23764688\/\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e29\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e].\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eBioPerine® | 5 mg\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eBioPerine® is a patented black pepper (\u003c\/span\u003e\u003cem\u003e\u003cspan data-color=\"transparent\"\u003ePiper nigrum\u003c\/span\u003e\u003c\/em\u003e\u003cspan data-color=\"transparent\"\u003e) fruit extract standardized for its piperine content. Piperine is a natural alkaloid known for its “bioenhancer” properties, improving the bioavailability of molecules that are typically poorly absorbed or extensively metabolized in the liver [\u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/15284381\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e30\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e, \u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/link.springer.com\/article\/10.1007\/BF00314996\"\u003e\u003cspan data-color=\"transparent\"\u003e\u003cu\u003e31\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e]. Hence, BioPerine® helps your body better absorb and utilize the other active ingredients in LEAN Pre-Workout.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eHuperzine A | 100 mcg\u003c\/h3\u003e\n\u003cp\u003eA recent research review contends that huperzine-A, a constituent of the Chinese folk medicine \u003cem\u003eHuperzia serrata\u003c\/em\u003e, is a good therapeutic candidate for cognitive decline [\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/34770940\/\" target=\"_blank\"\u003e\u003cu\u003e32\u003c\/u\u003e\u003c\/a\u003e]. This natural nootropic may help boost memory and improve cognitive function by reducing the breakdown of acetylcholine \u003ca rel=\"noopener noreferrer\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/34770940\/\"\u003e[33\u003c\/a\u003e].\u003c\/p\u003e\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eFor Beginners to Pre-Workout Supplements\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eTo assess tolerance, mix 1\/2 scoop of Transparent Labs Lean Pre-Workout with 6 to 8 oz of water and consume 20-30 minutes before exercising, preferably on an empty stomach. If the effects feel subtle, increase to a full scoop before the next workout.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFor Experienced Pre-Workout Supplement Users\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eMix 1 full scoop of Transparent Labs Lean Pre-Workout with 10 to 12 oz of water and consume 20-30 minutes before exercising, preferably on an empty stomach.\u003c\/p\u003e\n\u003ch2\u003eThird-Party Testing\u003c\/h2\u003e\n\u003cp\u003ePlease click below for third-party testing results from the most recent batch of Lean Pre-Workout:\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eFAQs\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eHow Much Caffeine Does LEAN Pre-Workout Have?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEach serving contains approximately 162 mg of caffeine from organic green coffee beans (180 mg at 90% caffeine).\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCan I Take Lean Pre-Workout on Non-Training Days?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eYes, you can take Lean Pre-Workout on non-training days if you want an energy boost. However, remember that this product contains caffeine and may cause restlessness if taken within 5 hours of bedtime.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-color=\"transparent\"\u003eCan I Take LEAN Pre-Workout if I am Subjected to Drug Testing for my Sport?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eYes, absolutely. Transparent Labs Lean Pre-Workout contains zero banned substances and is Informed Choice certified for athletes.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-color=\"transparent\"\u003eWhy Doesn't LEAN Pre-Workout Contain Creatine?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eLarge doses of caffeine may interfere with the ergogenic effects of creatine [\u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/35016154\/\"\u003e\u003cspan data-color=\"transparent\"\u003e47\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e]; since Lean Pre-Workout contains caffeine, we decided to keep the creatine separate.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-color=\"transparent\"\u003eWhat is the Difference Between Transparent Labs BULK, LEAN, and STIM-FREE Pre-Workouts?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eBulk is designed to support lean muscle growth and includes testosterone-supporting micronutrients, while Lean is designed to support fat loss and includes a thyroid support complex. Stim-Free, as the name suggests, contains zero stimulants and has added elevATP® for energy production.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-color=\"transparent\"\u003eI Don't Live in the United States, Can I Still Buy PreSeries LEAN?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-color=\"transparent\"\u003eYes - our fulfillment center allows us to ship worldwide (with some exceptions due to fraudulent activity in certain countries; see \u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.transparentlabs.com\/pages\/shipping-tracking-delivery-guide-for-transparent-labs\"\u003e\u003cspan data-color=\"transparent\"\u003ehere for more info\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-color=\"transparent\"\u003e). Standard shipping for international orders typically takes 10-14 business days to arrive.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-color=\"transparent\"\u003eDoes this Product Contain Nuts?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eNo! While Transparent Labs Lean Pre-Workout is manufactured in a facility that processes nuts (coconuts and peanuts), we have an allergen control program that requires sanitization and cleaning of the manufacturing equipment to avoid cross-contamination of allergenic and hypoallergenic materials.\u003c\/p\u003e\n\u003c!----\u003e","brand":"Transparent Labs","offers":[{"title":"Strawberry Lemonade","offer_id":39291537096797,"sku":"TPL002105","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Blue Raspberry","offer_id":39378280743005,"sku":"TPL002102","price":49.99,"currency_code":"USD","in_stock":true},{"title":"White Cherry","offer_id":44189763731549,"sku":"TPL002118","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Orange","offer_id":39255229333597,"sku":"TPL002107","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Tropical Punch","offer_id":40989434773597,"sku":"TPL002108","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Fruit Punch","offer_id":40872581791837,"sku":"TPL002116","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Green Apple","offer_id":39323213037661,"sku":"TPL002104","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Sour Grape","offer_id":41099787763805,"sku":"TPL002106","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0866\/7664\/files\/TL_Lean_30S_SL_1_5.png?v=1745877394"},{"product_id":"non-stim-pre-workout","title":"Stim-Free Pre-Workout","description":"\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eOverview \u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-pm-slice=\"1 1 []\"\u003eTransparent Labs \u003cstrong\u003eSTIM-FREE Pre-Workout\u003c\/strong\u003e is for gym-goers and active individuals who exercise later in the afternoon\/evening and those who are sensitive to stimulants like caffeine. Alternatively, you might be taking a \"stim break\" and looking to cut back on caffeine. In either case, this non-stimulant pre-workout formula has you covered with an evidence-based lineup of clinically dosed ingredients, coming in at a whopping 17 grams per serving!\u003c\/p\u003e\n\u003cp\u003eCombine that with fully transparent labeling, great flavor, and absolutely no artificial color\/food dyes, artificial sweeteners, or artificial flavoring, and it's no wonder STIM-FREE Pre-Workout has become a fan favorite.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStimulant-Free Pre-Workout Formula Backed by Science: \u003c\/strong\u003eIdeal for those sensitive to caffeine and nighttime gym-goers, Transparent Labs STIM-FREE Pre-Workout is formulated with clinically effective dosages of ergogenic ingredients to enhance your athletic performance without stimulants.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnhances Strength, Stamina, and Muscle Pumps: \u003c\/strong\u003eWith an unmatched blend of clinically dosed nitric oxide boosters, STIM-FREE Pre-Workout bolsters muscle strength, endurance, and blood flow starting from the very first scoop.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePromotes Clean, Lasting Focus, Drive, and Energy: \u003c\/strong\u003eGet dialed in for every workout with evidence-based nootropics like taurine, L-tyrosine, and huperzine-A. Since this is a stimulant-free formula, it won't give you jitters or cause a post-workout crash.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNaturally Flavored and Sweetened with Stevia: \u003c\/strong\u003eMost non-stim pre-workouts are loaded with artificial colors, sweeteners, and flavors. We know you care about what you put in your body, so STIM-FREE Pre-Workout contains only natural flavoring and stevia instead of the hidden junk you find in other pre-workout supplements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cb id=\"docs-internal-guid-0ae738f8-7fff-3b2d-1b65-3ff5724ce649\"\u003e\u003cspan\u003eThird-Party Tested and Certified for Quality: \u003c\/span\u003e\u003c\/b\u003eAs part of our commitment to industry-leading transparency and quality, every batch of this product is tested by a third-party lab for purity and potency. You can find all of our test results in the footer of our website. This product is also certified by \u003cstrong\u003eInformed Choice\u003c\/strong\u003e to meet the highest standards for athletes and consumers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eActive Ingredients and Benefits\u003c\/h2\u003e\n\u003ch3\u003eL-Citrulline Malate (2:1) |8,000 mg\u003c\/h3\u003e\n\u003cp\u003eL-citrulline is an amino acid naturally found in watermelon that plays an important role in kidney function. It's become a popular ingredient in pre-workout supplements due to its ability to boost nitric oxide levels [\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/17662090\/\" rel=\"noopener noreferrer\"\u003e1\u003c\/a\u003e]. When nitric oxide production increases, blood flow improves, allowing nutrients and oxygen to replenish muscle tissue more efficiently. Ultimately, this translates to greater muscle pumps and heightened energy levels.\u003c\/p\u003e\n\u003cp\u003eNumerous studies have demonstrated the ergogenic effects of L-citrulline malate, the citrulline salt of malic acid, such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eImproving strength, aerobic performance, and muscle endurance [\u003ca href=\"http:\/\/www.ncbi.nlm.nih.gov\/pubmed\/22251130\" rel=\"noopener noreferrer\"\u003e\u003cu\u003e2\u003c\/u\u003e\u003c\/a\u003e, \u003ca href=\"http:\/\/www.ncbi.nlm.nih.gov\/pubmed\/20386132\" rel=\"noopener noreferrer\"\u003e\u003cu\u003e3\u003c\/u\u003e\u003c\/a\u003e]\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eElevating nitric oxide levels even more than equivalent doses of L-arginine [\u003ca href=\"http:\/\/www.ncbi.nlm.nih.gov\/pubmed\/17662090\" rel=\"noopener noreferrer\"\u003e\u003cu\u003e4\u003c\/u\u003e\u003c\/a\u003e]\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnhancing muscle anabolism and reducing muscle catabolism [\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/32568925\/\" rel=\"noopener noreferrer\"\u003e\u003cu\u003e5\u003c\/u\u003e\u003c\/a\u003e]\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBeta-Alanine | 4,000 mg\u003c\/h3\u003e\n\u003cp\u003eBeta-alanine is a beta-amino acid that combines with L-histidine to form a dipeptide known as carnosine. Supplementing with beta-alanine has been shown to increase muscle carnosine levels, which are quickly depleted during intense exercise [\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/28106620\/\" rel=\"noopener noreferrer\"\u003e\u003cu\u003e6\u003c\/u\u003e\u003c\/a\u003e].\u003c\/p\u003e\n\u003cp\u003eCarnosine is an endogenous dipeptide that functions as a buffer in muscle cells, thereby attenuating the accumulation of acidic byproducts of muscular exertion (e.g. lactate and hydrogen ions) [\u003ca href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/19131472%20\" rel=\"noopener noreferrer\"\u003e7\u003c\/a\u003e]. Hence, bolstering muscle carnosine levels—via beta-alanine—allows you to push yourself longer and harder in the gym.\u003c\/p\u003e\n\u003cp\u003ePre-workout supplements almost always contain beta-alanine but in inefficacious doses. We made sure to include an evidence-based dose of beta-alanine (2,000 mg) in every scoop of LEAN Pre-Workout. Relevant evidence-based benefits of beta-alanine include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDelaying the onset of neuromuscular fatigue during intense exercise [\u003ca href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC2585553\/\" rel=\"noopener noreferrer\"\u003e\u003cu\u003e8\u003c\/u\u003e\u003c\/a\u003e]\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncreasing overall muscle strength [\u003ca href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/17136944\" rel=\"noopener noreferrer\"\u003e\u003cu\u003e9\u003c\/u\u003e\u003c\/a\u003e] \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImproving muscle endurance and total work capacity [\u003ca href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/19083385\" rel=\"noopener noreferrer\"\u003e\u003cu\u003e10\u003c\/u\u003e\u003c\/a\u003e]\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReducing and combatting the formation of dysfunctional proteins and promoting the formation of healthy proteins [\u003ca href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC1137521\/\" rel=\"noopener noreferrer\"\u003e\u003cu\u003e11\u003c\/u\u003e\u003c\/a\u003e]\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSignificantly increasing lean muscle mass as part of a diligent resistance-training program [\u003ca href=\"http:\/\/www.ncbi.nlm.nih.gov\/pubmed\/21659893\" rel=\"noopener noreferrer\"\u003e\u003cu\u003e12\u003c\/u\u003e\u003c\/a\u003e]\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e*Note that beta-alanine causes a benign tingling sensation known as paresthesia while the body acclimates to higher carnosine levels. This effect is harmless and gradually lessens with consistent use. \u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eBetaPure™ Betaine Anhydrous | 2,500 mg\u003c\/h3\u003e\n\u003cp\u003eBetaine, also known as trimethylglycine, is a biologically important osmolyte and methyl donor. Betaine supplementation has been shown to improve strength gains and, to a lesser extent, endurance capacity in athletes [\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/34663363\/\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cu\u003e13\u003c\/u\u003e\u003c\/a\u003e, \u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/35599921\/\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cu\u003e14\u003c\/u\u003e\u003c\/a\u003e, \u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/22080324\/\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cu\u003e15\u003c\/u\u003e\u003c\/a\u003e]. Though the mechanisms are not entirely clear, Pre-workout betaine use ostensibly promotes athletic performance by maintaining cellular hydration and reducing homocysteine levels, thereby supporting cardiovascular health [\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/16197300\/\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cu\u003e16\u003c\/u\u003e\u003c\/a\u003e].\u003c\/p\u003e\n\u003ch3\u003eTaurine | 1,300 mg\u003c\/h3\u003e\n\u003cp\u003eL-taurine is a non-proteinogenic amino acid often considered essential to pre-workout supplementation due to its diverse benefits for athletes and gym-goers. For one, taurine is a potent nootropic that promotes focus and attenuates brain cell inflammation and oxidative stress [\u003ca href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/30221665\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cu\u003e17\u003c\/u\u003e\u003c\/a\u003e, \u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/35334949\/\" rel=\"noopener noreferrer\"\u003e\u003cu\u003e18\u003c\/u\u003e\u003c\/a\u003e].\u003c\/p\u003e\n\u003cp\u003eTaurine can also enhance physical performance via increased blood flow to skeletal muscle tissue [\u003ca href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/21334852\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cu\u003e19\u003c\/u\u003e\u003c\/a\u003e, \u003ca href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/20667936\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cu\u003e20\u003c\/u\u003e\u003c\/a\u003e]. Greater blood flow to muscle tissue encourages a favorable milieu for muscle function and recovery during training. Additionally, taurine supplementation has been shown to improve performance in endurance athletes [\u003ca href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/29546641\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cu\u003e21\u003c\/u\u003e\u003c\/a\u003e].\u003c\/p\u003e\n\u003ch3\u003eL-Tyrosine | 1,000 mg\u003c\/h3\u003e\n\u003cp\u003eL-tyrosine is a conditionally essential amino acid and precursor to dopamine and norepinephrine, two neurotransmitters that govern motivation and reward. Research shows that supplementing with L-tyrosine can significantly enhance cognitive performance and increase alertness, especially under acute stress (such as intense training) [\u003ca href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/25797188\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cu\u003e22\u003c\/u\u003e\u003c\/a\u003e]. L-tyrosine has also been shown to improve “cognitive flexibility,” meaning it can help you adapt to dynamic cognitive demands without letting extraneous thoughts undermine your focus [\u003ca href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC7116420\/\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cu\u003e23\u003c\/u\u003e\u003c\/a\u003e].\u003c\/p\u003e\n\u003ch3\u003eSenactiv® 50mg\u003c\/h3\u003e\n\u003cp\u003eSenActiv® is a patented adaptogenic herb combination featuring \u003cem\u003ePanax notoginseng\u003c\/em\u003e and rose hips (\u003cem\u003eRosa roxburghii\u003c\/em\u003e). The \u003cem\u003ePanax notoginseng\u003c\/em\u003e in SenActiv® is highly concentrated in ginsenoside R1, a beneficial constituent that helps accelerate muscle recovery and reduce fatigue during\/after intense exercise. Likewise, the rose hips in this ingredient provide several ginsenoside-like molecules that confer synergistic recovery-enhancing effects with ginsenoside R1 [\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/35968550\/\" rel=\"noopener noreferrer\"\u003e\u003cu\u003e24\u003c\/u\u003e\u003c\/a\u003e]. These phytonutrients are suggested to work by bolstering a cellular \"cleaning\" process known as autophagy, particularly in skeletal muscle cells [\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/32103897\/\" rel=\"noopener noreferrer\"\u003e\u003cu\u003e25\u003c\/u\u003e\u003c\/a\u003e, \u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/31739829\/\" rel=\"noopener noreferrer\"\u003e\u003cu\u003e26\u003c\/u\u003e\u003c\/a\u003e, \u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/32015954\/\" rel=\"noopener noreferrer\"\u003e\u003cu\u003e27\u003c\/u\u003e\u003c\/a\u003e].\u003c\/p\u003e\n\u003ch3\u003eelevATP® Ancient Peat and Apple Fruit Extract | 150 mg\u003c\/h3\u003e\n\u003cp\u003eElevATP® is a clinically researched combination of  “ancient peat” (fossilized plants) and apple skin extracts. Using innovative biotechnology, elevATP® stimulates your body’s endogenous production of adenosine triphosphate (ATP), the veritable energetic currency of cells.\u003c\/p\u003e\n\u003cp\u003eBy boosting ATP production, ElevATP® can help promote athletic performance (e.g. max strength) and improve body composition [\u003ca href=\"https:\/\/www.semanticscholar.org\/paper\/Twelve-weeks-supplementation-with-an-caffeine-and-Joy-Vogel\/fc2c3c1657f7d114964a7666806c0996c5676146\" rel=\"noopener noreferrer\"\u003e28\u003c\/a\u003e, \u003ca href=\"https:\/\/www.semanticscholar.org\/paper\/Ancient-peat-and-apple-extracts-supplementation-may-Joy-Vogel\/5ce2900dc97ec3aba0f4700eb135be128ab487d4\" rel=\"noopener noreferrer\"\u003e29\u003c\/a\u003e]. ElevATP® is also a fast-acting ATP booster that starts working from the very first dose [\u003ca href=\"https:\/\/www.semanticscholar.org\/paper\/EFFECT-OF-THE-DIETARY-SUPPLEMENT-ELEVATP-ON-BLOOD-Reyes-Izquierdo-Nemzer\/d38da55d69a6dc8a49309820a6506295c58a737d\" rel=\"noopener noreferrer\"\u003e\u003cu\u003e30\u003c\/u\u003e\u003c\/a\u003e].\u003c\/p\u003e\n\u003ch3\u003eBioPerine® | 5 mg\u003c\/h3\u003e\n\u003cp\u003eBioPerine® is a patented black pepper (\u003cem\u003ePiper nigrum\u003c\/em\u003e) fruit extract standardized for its piperine content. Piperine is a natural alkaloid known for its “bioenhancer” properties, improving the bioavailability of molecules that are typically poorly absorbed or extensively metabolized in the liver [\u003ca href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/15284381\" rel=\"noopener noreferrer\"\u003e\u003cu\u003e31\u003c\/u\u003e\u003c\/a\u003e, \u003ca href=\"https:\/\/link.springer.com\/article\/10.1007\/BF00314996\" rel=\"noopener noreferrer\"\u003e\u003cu\u003e32\u003c\/u\u003e\u003c\/a\u003e]. Hence, BioPerine® helps your body better absorb and utilize the other active ingredients in Bulk Black Pre-Workout.\u003c\/p\u003e\n\u003ch3\u003eHuperzine A | 100 mcg\u003c\/h3\u003e\n\u003cp\u003eHuperzine A is a naturally occurring alkaloid found in the Chinese club moss \u003cem\u003eHuperzia serrata\u003c\/em\u003e. It has gained prominence in the world of cognitive enhancement for its ability to inhibit acetylcholinesterase, an enzyme that breaks down acetylcholine in the brain. Acetylcholine is a key neurotransmitter involved in muscle contraction, arousal, sleep, and cognition.\u003c\/p\u003e\n\u003cp\u003eBy inhibiting its breakdown, huperzine A helps to maintain higher levels of cholinergic transmission, leading to improved mental focus, increased alertness, and better memory retention [\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/38542869\/\" rel=\"noopener noreferrer\"\u003e33\u003c\/a\u003e]. These effects make it a valuable addition to non-stim pre-workouts.\u003c\/p\u003e\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eFor Beginners to Pre-Workout Supplements\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eTo assess tolerance, mix 1\/2 scoop of Transparent Labs STIM-FREE Pre-Workout with 6 to 8 oz of water and consume 20-30 minutes before exercising, preferably on an empty stomach. If the effects feel subtle, increase to a full scoop before the next workout.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFor Experienced Pre-Workout Supplement Users\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eMix 1 full scoop of Transparent Labs Stim Free Pre-Workout with 10 to 12 oz of water and consume 20-30 minutes before exercising, preferably on an empty stomach.\u003c\/p\u003e\n\u003ch2\u003eThird-Party Testing\u003c\/h2\u003e\n\u003cp\u003ePlease click below for third-party testing results from the most recent batch of Stim Free Pre-Workout:\u003c\/p\u003e\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat is Stim-Free Pre-Workout Used For?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eOur stim-free pre-workout is designed to increase power and endurance by improving blood flow and supporting muscle growth and recovery. It's ideal for those who train in the afternoon or evening or are sensitive to caffeine\/stimulants.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eIs a Stim-Free Pre-Workout Better than a Stim-Based Pre-Workout?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eChoosing between stim-free and stim-based pre-workout depends on your personal needs and tolerance for stimulants, notably caffeine. Many people admittedly love the jolt of wakefulness and increased vigilance that caffeine provides, and are more likely to perform well in the gym because of that.\u003c\/p\u003e\n\u003cp\u003eObviously, the psychotropic rush you feel after taking a stim-based pre-workout will not be as apparent when taking a non-stim pre-workout. But if you work out later in the day, a stimulant-free pre-workout may be the better option so it doesn't interfere with your sleep.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWill Stim-Free Pre-Workout Keep Me Up at Night?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eNo, this formula contains 100% non-stimulant ingredients and won't cause restlessness.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCan You Take Stim-Free Pre-Workout Every Day?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eYes, it's safe to take our non-stim pre-workout daily as long as you adhere to recommended dosages. Our product is formulated with safe levels of each ingredient and is free from harmful additives, ensuring consistent performance benefits.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHow Does Non-Stim Pre-Workout Feel?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIf you've never taken a pre-workout supplement, Transparent Labs STIM-FREE will likely make you feel a little \"tingly\" under the skin for the first 15-20 minutes. This is due to the beta-alanine in the formula, but don't worry—it's harmless. You may also notice that your muscles feel and look fuller due to an increase in nitric oxide (which dilates the blood vessels).\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDoes Non-Stim Pre-Workout Help Build Muscle?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIt sure can; the ingredients in our STIM-FREE Pre-Workout can help you train harder and longer, resulting in enhanced muscle gains (assuming you're eating a proper muscle-building diet).\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eI am Subjected to Drug Testing for my Sport; Can I Take Stim Free Pre-Workout?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eYes, absolutely. Transparent Labs LEAN Pre-Workout contains zero banned substances and is Informed Choice certified for athletes.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat is the Difference Between Transparent Labs BULK, LEAN, and STIM-FREE Pre-Workouts?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003ePreSeries BULK is designed to support lean muscle growth and includes testosterone-supporting micronutrients, while PreSeries LEAN is designed to support fat loss and includes a thyroid support complex. PreSeries STIM-FREE, as the name suggests, contains zero stimulants and has added elevATP® for energy production.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eI Don't Live in the United States, Can I Still Buy PreSeries LEAN?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eYes - our fulfillment center allows us to ship worldwide (with some exceptions due to fraudulent activity in certain countries; see \u003ca href=\"https:\/\/www.transparentlabs.com\/pages\/shipping-tracking-delivery-guide-for-transparent-labs\" rel=\"noopener noreferrer\"\u003ehere for more info\u003c\/a\u003e). Standard shipping for international orders typically takes 10-14 business days to arrive.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDoes this Product Contain Nuts?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eNo! While Transparent Labs LEAN Pre-Workout is manufactured in a facility that processes nuts (coconuts and peanuts), we have an allergen control program that requires sanitization and cleaning of the manufacturing equipment to avoid cross-contamination of allergenic and hypoallergenic materials.\u003c\/p\u003e","brand":"Transparent Labs","offers":[{"title":"Strawberry Lemonade","offer_id":40989422747741,"sku":"TPL003105","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Blue Raspberry","offer_id":39258130939997,"sku":"TPL003102","price":49.99,"currency_code":"USD","in_stock":true},{"title":"White Cherry","offer_id":44248702812253,"sku":"TPL003120","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Peach Mango","offer_id":40326250922077,"sku":"TPL003116","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Tropical Punch","offer_id":40989429858397,"sku":"TPL003108","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Grape Limeade","offer_id":43698544017501,"sku":"TPL003118","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Sour Watermelon","offer_id":43698544050269,"sku":"TPL003119","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Orange Pineapple","offer_id":43698544083037,"sku":"TPL003117","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0866\/7664\/files\/TL_Stim-Free_30_SL_1_0.png?v=1745878684"}],"url":"https:\/\/www.transparentlabs.com\/collections\/white-cherry-pre-workout.oembed","provider":"Transparent Labs","version":"1.0","type":"link"}