Glucosamine Chondroitin MSM from Nature Essential, With nutrients such as vitamin C, which contributes to the normal formation of collagen for the normal functioning of cartilage. Glucosamine, Chondroitin and MSM are dietary supplements commonly used to treat the symptoms of arthritis and other joint-related problems. Glucosamine is a natural molecule found in the cartilage and synovial fluid of the joints. It is believed that it can help repair damaged cartilage and reduce inflammation in the joints. Chondroitin is a glucosamine-like compound found in cartilage and skin. It is believed to help maintain cartilage elasticity and retain water in the joints. MSM (methylsulfonylmethane) is an organic compound found in various foods, and has been used as a supplement to treat joint pain, and has been shown to be effective in reducing inflammation and pain. Some studies have suggested that the combination of glucosamine, chondroitin, and MSM may be more effective in relieving arthritis symptoms than any of these supplements alone.