what does glucosamine hydrochloride contain
There have been some preliminary studies, but more research is needed. It is important to read the labels of glucosamine products carefully since several different forms of glucosamine are sold as supplements. These products may contain glucosamine sulfate, glucosamine hydrochloride, or N-acetyl-glucosamine.lucosamine hydrochloride is one of several forms of glucosamine. Glucosamine hydrochloride is used for osteoarthritis, knee pain, back pain, and glaucoma. However, no one knows yet whether it is effective for any of these conditions.