Glucosamine and Chondroitin for Arthritis: Benefit is UnlikelyGlucosamine and Chondroitin for Arthritis: Benefit is Unlikely Stephen Barrett, M.D. Osteoarthritis (OA), the most widespread type of arthritis, is a degenerative ...Questions and Answers: NIH Glucosamine/Chondroitin Arthritis ...This fact sheet provides answers to frequently asked questions about the study to test the effects of the dietary supplements glucosamine and chondroitin for the ...Glucosamine and Chondroitin - Joint Supplements for ArthritisGlucosamine and Chondroitin are joint supplements used in the treatment of arthritis. Glucosamine and Chondroitin are taken by mouth for treatment of ...