Glucosamine is a naturally occurring compound which plays a role in the maintenance of the cartilage & connective tissues in the joints. Natures Aid Chondroitin is sourced from shark cartilage & is bovine free. It has a vital role throughout all stages of joint degeneration as the major raw ingredient from which the body makes larger joint components called glycosaminoglycans GAGs. The body rsquo s synthesis of new glucosamine continues to decline with age so the need for supplementatio