Glucosamine Chondroitin Sulfate Calcium Tablets are the equivalent of a collection of medications with the effects of multiple medications. First of all, the role of glucosamine, glucosamine sulfate can promote the repair of cartilage, reduce the damage of inflammation on the cartilage joint surface, and play a cartilage protection role, can increase the synthesis of cartilage matrix. Chondroitin enhances the viscosity of synovial fluid, thus increasing the protection of articular cartilage. Calcium tablets work mainly to increase calcium intake and prevent the formation of osteoporosis. Overall, Calcium Glucosamine Chondroitin Sulfate tablets are relatively good for joint protection of the knee.