Doctor's Best Doctors Best Glucosamine Chondroitin OptiMSM, 120 Caps (Pack of 4)

Doctor?s Best Glucosamine/Chondroitin/MSM featuring OptiMSM? supports joint structure, function and comfort*It is a potent combination of three proven, purified ingredients that help the body manufacture proteoglycans in healthy joints. Proteoglycans contribute to the maintenance of sound joint structure, ultimately enhancing healthy joint function.*