THORNE Copper Bisglycinate is a well-absorbed trace mineral supplement designed to support connective tissue, heart, skin, and nerve health. This copper supplement balances zinc to prevent a deficiency, and is third-party tested and certified to verify what's in the package matches what's on the label. Trusted by champions and health-care practitioners; Thorne is the #1 recommended clinical brand (2023 Health-Care Practitioner Seller Survey).

• Optimally Absorbed: Well-absorbed form of an essential trace mineral*
• Many Functions: Nutritional support for connective tissue, heart, skin, and nerve health*
• Balances Zinc: Supplement with zinc to prevent a deficiency of copper*
• 3rd Party Contents Certified: This product has been third-party tested and certified to verify what's in the package matches what's on the label
• 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)