
Build
2 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.

Transparent Labs BUILD is a comprehensive ergogenic formula that supports overall athletic performance, endurance, and recovery.
It features a unique blend of ingredients that synergistically increase muscle hypertrophy, ATP production, blood flow, oxygen uptake, and endurance in as little as one week. By promoting greater muscle anabolism, improving recovery from exercise, and enhancing skeletal muscle metabolism, this formula helps athletes, gym-goers, and bodybuilders achieve peak performance, day in and day out.
Best of all, Transparent Labs Muscle Builder is naturally flavored, sweetened with stevia, and contains absolutely no artificial food coloring, fillers, GMOs, or allergens.

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.
Click here for the full refund policy »
why use Build?
This muscle-builder formula features evidence-based ingredients to help recovery and performance day in and day out.
Accelerate Muscle Growth & Strength
Made with epicatechin and elevATP® to enhance muscle hypertrophy, strength, and overall muscle performance.

Improve Endurance & Oxygen Utilization
PeakO2™ significantly boosts VO2 max, delays fatigue, and improves exercise capacity.

Enhance Recovery & Reduce Soreness
SenActiv® and PeakO2™ reduce muscle damage and improve recovery times.

Superior Nutrient Absorption
Formulated with AstraGin® for greater nutrient uptake and efficacy.

Key Ingredients
Peak02™ (Adaptogenic Mushrooms)
2,000 mg
Clinically studied mushroom blend that enhances VO2 max, endurance, and oxygen utilization during exercise.

Epicatechin (from Green Tea Extract)
150 mg
This green tea constituent is a putative myostatin inhibitor thought to promote muscle hypertrophy.

elevATP®
150 mg
A patented blend of ancient peat and apple extracts for boosting the body’s production of cellular energy (ATP).

AstraGin®
50 mg
A blend of adaptogenic herbs that improve nutrient absorption and support muscle recovery.
