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PRODUCT OVERVIEW
Featuring precision doses of pure L-Citrulline, Infinergy™ Di-caffeine Malate, Caffeine, Theobromine, and essential B vitamins, this bread-and-butter pre-workout formula works synergistically to augment nitric oxide (NO) production, enhance blood flow to skeletal muscle tissue, increase focus and alertness, elevate energy, and boost motivation so you can perform your best in the trenches. With 60 servings per bottle, this is one of the best values on the market for pre-workout energy

INGREDIENTS


REVIEWS
FREQUENTLY ASKED QUESTIONS
Citrulline Malate 2:1 | 2,000 mg | From a performance standpoint, citrulline malate is the “star child” of pre-workout science. We chose citrulline malate over L-arginine because it provides better absorption, higher plasma arginine levels, and has been found to:
PreSeries STIM-BOOSTER contains 2,000 mg (2 grams) of citrulline malate per serving. |
Caffeine Anhydrous | 50 mg | Caffeine, along with many of the complimenting stimulants and focus-enhancing ingredients in PreSeries STIM-FREE are clinically proven to reduce the sensation of effort. Approximately 50 mg of caffeine has been found and confirmed to significantly increase repetitions to failure and readiness to invest effort in athletes [7, 8]. Moderate doses of caffeine have also been found to not negatively interfere with natural thermoregulation like higher (300 mg+) caffeine-infused pre workouts do [9].
PreSeries STIM-BOOSTER contains 50 mg of Caffeine Anhydrous per serving. |
Vitamin B6 (as Pyridoxine HCl) | 5 mg | |
Vitamin B12 (as Methylcobalamin) | 100 mcg | |
Theobromine | 50 mg | Theobromine 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 (4). Research has also found that theobromine has differential contributions to mood and cognitive function when compared to caffeine, providing further insight into the distinct, yet synergistic nature of these naturally occurring stimulants (5).
PreSeries STIM-BOOSTER contains 50 mg of Theobromine per serving. |
Infinergy™ (Dicaffeine Malate) | 50 mg | Infinergy™ is a trademarked caffeine salt of malic acid (dicaffeine malate) that was created to prolong the ergogenic effects of caffeine. Rather than the abbreviated “high” and subsequent crash people often experience after drinking a large cup of coffee, Infinergy™ provides a smoother and longer-lasting increase in mental performance and thermogenesis, all without the jitters and crashing from ordinary caffeine.
PreSeries STIM-BOOSTER contains 50 mg of Infinergy™ (Dicaffeine Malate) per serving. |
Q: When will my order be shipped out? | A: All orders ship out the following business day. |
Q: I don't live in the United States, can I still buy PreSeries STIM-BOOSTER? | A: Yes - our fulfillment center allows us to ship worldwide. Standard shipping for international orders typically takes 10-14 business days to arrive. |
Q: Does Transparent Labs ship to my Country? | A: Transparent Labs ships Worldwide, except to the following countries, unfortunately, due to increasingly high fraudulent activity; Albania, Algeria, India, Lithuania, Macedonia, Romania, Russia, Tunisia, & Ukraine. |