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It was discovered centuries ago as one of the primary amino acids in green tea leaves and is also found in various mushroom species.

Pre-workout supplements almost always contain beta-alanine but in inefficacious doses.

Each 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.

Key Features Clinically Dosed Pre-Workout for Lean Mass Retention and Fat Loss: Transparent Labs LEAN Pre-Workout is an evidence-based pre-workout that enhances athletic performance while supporting fat loss.

Yes - our fulfillment center allows us to ship worldwide (with some exceptions due to fraudulent activity in certain countries; see here for more info ).

Numerous studies have shown that taking caffeine before exercise can significantly improve overall performance, largely by reducing the rate of perceived exertion [ 23 ].

BioPerine® | 5 mg BioPerine® is a patented black pepper ( Piper nigrum ) fruit extract standardized for its piperine content.

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.

Third-Party Testing Please click below for third-party testing results from the most recent batch of Lean Pre-Workout: FAQs How Much Caffeine Does LEAN Pre-Workout Have?

Yes, absolutely.

How to Use For Beginners to Pre-Workout Supplements To 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.

Provides an Immediate Energy Boost with Natural Caffeine: Leave even the most intense workouts in the dust with clean nootropics like PurCaf® caffeine, theobromine, acetyl-L-carnitine, and choline bitartrate.

For Experienced Pre-Workout Supplement Users Mix 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.

Flavor
Orange
Size
30 Servings
Shipping and returns

Orders are usually prepared within 24–48 business hours after confirmation. Weekends and public holidays are excluded; business hours are counted during normal operating days, not continuously. Estimated transit after dispatch is 4–7 business days. Preparation and transit are separate periods. Carrier delays, remote locations and exceptional conditions can extend estimates; delivery dates are not guaranteed.

Our voluntary return window is 30 calendar days after delivery for eligible unused items. Contact us before sending a return. Product-specific exclusions must be disclosed before purchase; mandatory consumer rights remain unaffected.

Shipping Information · Returns & Refunds

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