THORNE Lysine 500 mg supports skin health, immune function, energy production, and bone health. Each bottle provides 60 servings and is third-party tested to verify label accuracy and ensure no unsafe levels of contaminants. Trusted by champions and health-care practitioners.

• Skin Repair: Lysine, a building block for protein, is important for collagen formation, which benefits the health and elasticity of skin and encourages the healing of minor injuries*
• Immune Function: Nutritional support from lysine, an essential amino acid that the body can't produce on its own, helps the body maintain its natural defenses*
• Bone Health: Promotes calcium absorption and supports collagen formation to support bone health*
• Third-Party Certified: This product has been third-party tested and certified to verify what's in the package matches what's on the label and to confirm it contains no unsafe levels of contaminants
• 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)