It is a biologically active food supplement, which is used as a source of glucosamine and chondroitin sulfate, and also contains collagen, sulfur (methylsulfonylmethane), vitamin C, vitamin D3, calcium, bromelain, hyaluronic acid. GCM JOINT is a balanced content of the most important elements that strengthens ligaments, cartilage tissue, promotes joint mobility, and also helps to recover quickly after injuries.