The combination of glucosamine, chondroitin, and MSM may provide a synergistic effect in promoting joint health. Glucosamine Chondroitin + 1500 mg MSM is a dietary supplement that combines three different ingredients known to support joint health. Glucosamine is a naturally occurring compound found in joint cartilage that supports cartilage health and helps to reduce joint pain and stiffness. Chondroitin is a molecule that helps to keep cartilage healthy by attracting water and nutrients to the joint tissue. MSM (Methylsulfonylmethane) is a naturally occurring compound that can help reduce inflammation and pain in the joints. Compare to the Active Ingredients in the National Brands Move Free Supplement. Vitamin D3 Is essential for absorption of calcium and necessary support for healthy bones, teeth and immune system. Quality Choice is determined to provide you with quality options, as we know our customers take their health seriously and so do we.