Glucosamine is formed when glucose combines with an amino acid. It is a building block for cartilage. Glucosamine sulfate is a form of glucosamine that has some extremely beneficial uses, especially for healing connective tissue. Glucosamine sulfate is a small and simple molecular building block used to aid body builders and athletes with joint pain by helping to repair and lubricate the cartilage around damaged joints. We welcome you to browse through our glucosamine sulfate product line.