Duo Flex provides excellent benefits to promote good joint health, improving mobility and function. It contains Glucosamine, an amino sugar (proteoglycan) and is a part of the cartilage matrix in joint tissues, helping to reduce joint pain. Chondroitin sulfate is also an amino sugar containing a sulfur group and is present in cartilage, tendons and ligaments. Together glucosamine and chondroitin sulfate support the production of cartilage and synovial fluid to ensure joints are well supported to withstand the compression of everyday training and competition. 5.25gr of Glucosamine per 25gr scoop 2.1gr of Chondroitin per 25gr scoop