Price: $49.00
(as of Dec 16, 2025 14:15:58 UTC – Details)
From the brand
Foundational Wellness
Sports Nutrition
Is Discontinued By Manufacturer : No
Product Dimensions : 3.62 x 3.62 x 3.72 inches; 10.08 ounces
Item model number : SP641
Department : Adults
Date First Available : April 29, 2014
Lean Muscle: Delivers a comprehensive blend of amino acids, the building blocks of protein, to stimulate energy production and the growth of lean muscle throughout the body*
Sports Performance: Supports athletic and fitness goals by enhancing post-workout recovery, reducing muscle soreness, and supporting cardiovascular health*
Clinically Validated Formula: Provides all 9 essential amino acids and a 2:1:1 BCAA ratio in a powder that mixes well with water and contains naturally derived flavors and sweeteners
NSF Certified for Sport: Tested for compliance with label claims and to ensure the absence of nearly 300 substances banned by many major athletic organizations
Trusted: Thorne is chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners (2023 Health-Care Practitioner Seller Survey)
Customers say
Customers find the amino acid supplement effective for muscle recovery, helping them recover faster from workouts and prevent soreness. The product receives positive feedback for its high-quality ingredients and scientifically-backed amino acid profile, with one customer noting it contains 7.7 grams of amino acids. The taste and drinkability receive mixed reviews, with some finding the taste great while others say it’s too sweet and hard to drink. The texture is problematic, with customers reporting the powder comes clumped up instead of being a fine powder, and opinions on value are divided between those who find it worth the price and those who consider it expensive.
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