Weider Nutrition Glucosamine with Shark Cartilage Weider Glucosamine is used by the body as a building block of joint cartilage to maintain joint health. Chondroitin Sulfate which is derived from the collagen & glucosamine oglycans of Shark Cartilage possesses antioxidant actions. The nutrient glucosamine is a compound of amino acids from fish cartilage. It can contribute to the health of the joints & its presence is therefore beneficial for the synovial fluid. The synovial fluid serves as a b