What are Glucosamine & Collagen? Glucosamine 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. Collagen is a natural skeletal protein accounting for nearly 80% of the bodys skin, muscles & connective tissue. What Does Glucosamine & Collagen Do? Glucosamine sulphate may help to support healthy joints. In addition collagen naturally contains glucosamine & chondroitin which may also help to support healthy joints. Collagen may help to maintain healthy hair, skin & nails. Collagen naturally contains Glucosamine, Chondroitin & the following amino acids: Amino Acids Alanine Arginine Aspartic Acid Glutamic Acid Glycine Histidine Hydroxylysine Hydroxyproline Isoleucine Lysine Methionine Phenylaine Proline Serine Threoline Tyrosine Valine