Glucosamine acts as a "cushion" around the joints around the body. Because some osteoarthritis patients' septum become thinner and stiffer. Taking glucosamine as a dietary supplement (health supplement) can provide the body with more "materials" to rebuild the "cushion". Some researchers believe that glucosamine hydrochloride is different from glucosamine sulfate. They think that sulfate as part of glucosamine sulfate is an important element in the human body used to synthesize cartilage tissue.