15 Aug 2014 Blackmores Institute Glucosamine chondroitin effective in relieving knee osteoarthritis pain 15 Aug 2014 Share Share on LinkedIn Share on Facebook Share on Twitter Share on Google+ Share on Pinterest News Combined glucosamine and chondroitin is effective in treating knee osteoarthritis (OA) pain, a new randomised controlled trial published in Clinical Rheumatology shows. Three different formulations, including glucosamine sulfate and chondroitin sulfate capsules (GI), sachet preparations (GII) and glucosamine hydrochloride and chondroitin sulfate capsules (GIII), were given to 1,120 patients with knee OA pain over 16 weeks. × To continue reading this article, please Log In or Sign Up for access.