About the product
- 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 trusted by 100+ professional sports teams and the #1 most recommended clinical brand by consumers and health-care practitioners (Based on a 2026 independent survey of US supplement consumers and health-care practitioners)
