Gmp, sgs certified with purity guarantee. -1, product name: glucosamine sulfate glucosamine hcl glucosamine hydrochloride glucosamine sulphate 2kcl 2nacl -2, specification & standard: usp ep bp 99.5%-3, cas #: 14999-43-0 66-84-2 -4, function of glucosamine sulfate: a-can make the treatment of rheumatoid arthritis, ulcers, enteritis drugs, b-food and cosmetics nutritional additives, c-biochemical cells cultured in the agent, d-can be used as animal nutrition. -5, function of glucosamine hcl: a- used for the treatment and prevention of osteoarthritis in all areas of the body, including the knee joint, shoulder joint, wrist joint, neck and the spine joints, ankle joint etc. B- can alleviate and eliminate osteoarthritis pain, swelling and so on symptoms, improve joint activity function.