Joint Health Joint Mobility and Comfort Non-GMO A Dietary Supplement General Health Family Owned Since 1968 GMP Quality Assured NOW Glucosamine Sulfate is a well-known joint support ingredient. Glucosamine is an essential building block for the formation of glycosaminoglycans (GAGs) and proteoglycans, the main components of cartilage tissue. These compounds attract water to form a joint cushion, providing lubrication and shock absorption. IngredientsHypromellose (cellulose capsule) and silicon d...