Koyo Glucosamine and the sixth life element - Chitosan is a kind of biological product, is produced by marine life creatures using high technology with refinery process. Chitosan is a combination of glucose, which is polymer and Glucosamine is monomer of Glucose. Koyo Glucosamine possesses two unique identities, it is a health food and also an officially recognized medicine to treat bone joint related diseases. Koyo Gluosamine and Koyo Chitosan are the recognized products as the third health care food, it obtains good functions, its effectiveness and structures of ingredients and content are open to public, high safety, no side effect to human body, no influence of consume for diabetes patients.