Pharmacy 2U Glucosamine Sulphate 2KCL 1500mg is a naturally occurring sugar-related nutrient, which is important in normal joint function. Glucosamine is produced within the body; however as people age the capacity to manufacture sufficient levels of glucosamine is reduced. Glucosamine is not present in significant amounts in most diets. Supplemental sources are derived from the shells of shrimp, lobster, & crab. Glucosamine Sulphate may help to support joints & maintain connective tissues thus playing a role in the smooth working of your joints.