A dietary supplement to support connective tissue & joint functions. Chondroitin -4- & -6- Sulfates are two classes of glycosaminoglycans that are found in joint cartilage & aid in lubricating & hydration. Glucosamine is a natural amino sugar that is the starting point for the synthesis of glycosaminoglycans-the core of connective tissues such as collagen, bone matrix & mucous membranes.