Doctor's Best Glucosamine/Chondroitin/MSM featuring OptiMSM supports joint structure, function and comfortA potent combination of three proven, purified ingredients that help build the cushy cartilage that serves as a shock absorber for your jointsEach serving provides 750mg of glucosamine sulfate, 600mg of chondroitin sulfate, and 500mg of MSMNon-GMO and Gluten Free
