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.*

NOW Foods developed the glucosamine test method chosen as the official AOACI industry standard method.

Natural color variation may occur in this product.