ARTH-9 is a scientifically designed formula that provides essential nutrients for bone, joint, ligament and cartilage function. This unique function includes glucosamine sulfate, a natural compound present in joint cartilage. This aminomonosaccharide has been shown to play an integral role in maintaining healthy connective tissue and cartilage. ARTH-9 is fortified with Vitamin C, calcium and zinc L-monomethionine to aid in tissue repair, bromelain to help maintain joint flexibility and chondroitin sulfate, another important component of articular cartilage.