Glucosamine is a dietary supplement distributed as a salt; commonly, but not limited to, glucosamine HCl, glucosamine sulfate potassium, and glucosamine sulfate sodium. More common now is Glucosamine and Chondroitin, coupled with anti-oxidants.
Glucosamine aids in the formation of connective tissue including collagen and cartilage; consisting of glycosaminoglycans (mucopolysaccharides) & proteoglycans. It is an effective supplement which is made more powerful when consumed with Methylsulfonylmethane (MSM).
Current research shows it may play a role in relieving arthritis.