
Lean Pre-Workout
8 Flavors Available:
Third-Party Testing
We believe trust is earned through transparency. That’s why we provide full access to our third-party test results, so you can feel confident in what you’re taking. View all third-party tests.

Are you tired of "cutting pre-workouts" that just don't...cut it? 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 metabolic and 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.
Each ingredient in this pre-workout supplement was chosen based on scientific research and quality characteristics. Like all of our products, Lean Pre-Workout has absolutely no artificial color/food dyes, artificial sweeteners, or artificial flavoring.

Orders in the US over $99 ship free.
Once your order has shipped out from our fulfillment center, you will receive a Shipping Confirmation email. If you selected a tracked shipping method, you will receive your tracking information, along with the necessary steps to track your order, within this email. Please note, orders are generally fulfilled same day or next business day.
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45 Day Satisfaction Guarantee
If you are not satisfied with your product, we will offer you a full refund or store credit for the value of the item within 45 days of delivery.
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why use Lean Pre-Workout?
Transparent Labs Lean Pre-Workout is an evidence-based pre-workout that enhances athletic performance while supporting fat loss.
Improve Strength and Stamina
With a comprehensive lineup of clinically dosed ergogenic ingredients, LEAN Pre-Workout augments athletic performance starting from the very first scoop.

Naturally Boost Energy and Focus
Leave even the most intense workouts in the dust with clean nootropics and energy enhancers like PurCaf® caffeine, theobromine, acetyl-L-carnitine, and choline bitartrate.

Support Body Composition
LEAN helps you get dialed in for every workout while supporting metabolism to burn more fat for energy.

Intensify Muscle Pumps
The nitric oxide boosters in LEAN bolster blood flow to skeletal muscles to achieve intense muscle pumps every time you hit the gym.

Key Ingredients
L-Citrulline Malate
6,000 mg
L-citrulline is a well-known nitric oxide booster that enhances blood flow, reduces muscle fatigue, and boosts endurance.

Beta-Alanine
2,000 mg
Beta-alanine is an amino acid that enhances muscular endurance, delays fatigue, and improves performance by increasing muscle carnosine levels.

BetaPure™ Betaine Anhydrous
1,500 mg
Betaine Anhydrous keeps muscle cells hydrated, supports energy production, and boosts muscle endurance, strength, and overall performance.

Acetyl-L-Carnitine (ALCAR)
1,000 mg
ALCAR provides bioavailable L-carnitine, which is necessary for transporting fatty acids into mitochondria for energy production.
