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Its functions in the body are suggested to be complementary to those of caffeine, acting as a phosphodiesterase inhibitor and central nervous system stimulant [ 28 ].

Hence, BioPerine® helps your body better absorb and utilize the other active ingredients in LEAN Pre-Workout.

When nitric oxide production increases, blood flow improves, allowing nutrients and oxygen to replenish muscle tissue more efficiently.

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.

This product is also certified by Informed Choice to meet the highest standards for athletes and consumers.

L-Theanine | 180 mg L-theanine is an isomer of the amino acids L-glutamate and L-glutamine.

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 [ 13 , 14 , 15 ].

Choline Bitartrate | 500 mg Choline is an essential micronutrient for cholinergic transmission and, by extension, cognitive function.

Delaying the onset of neuromuscular fatigue during intense exercise [ 8 ].

Third-Party Tested and Certified for Quality: As 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.

Why Doesn't LEAN Pre-Workout Contain Creatine?

Flavor: Raspberry Hibiscus.

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.

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.

Flavor
Raspberry Hibiscus
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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