Study backs glucosamine plus chondroitin for OA knee pain

The multinational study of 600 patients with grades 2–3 knee osteoarthritis (OA) and moderate to severe pain found those randomised to receive chondroitin sulfate 400mg plus glucosamine hydrochloride 500mg three times a day experienced just as much improvement in joint pain, stiffness and functional ability at six months as a group randomised to receive daily celecoxib 200mg.