Are there studies proving Glucosamine is effective?
A. Supplemental glucosamine appears to provide the material necessary for joint repair. Research has also demonstrated that glucosamine also has the ability to delay the progression of the disease. It does this by inhibiting certain enzymes, which destroy the cartilage. Furthermore, it has been shown to relieve symptoms even for weeks after termination of the treatment. Many studies confirm the efficacy of glucosamine. Recently all of the published studies done on glucosamine were reviewed. In all, there were 13 of these studies (six involving glucosamine and seven involving chondroitin sulfate). All 13 studies found positive results in hip and knee osteoarthritis. Even the prestigious, Journal of the American Medical Association (JAMA) in the March 15, 2000 issue, reviewed all known studies on glucosamine and chondroitin in the treatment of arthritis. The conclusion of the authors was: “Trials of glucosamine and chondroitin preparations for osteoarthritis symptoms demonstrate moderate
