Move Free Advanced + MSM & D3 combines heritage joint support ingredients with the clinically studied mineral complex Uniflex. This formula contains Glucosamine, Chondroitin, Uniflex, HA, MSM and Vitamin D3 to help support mobility, comfort, strength, flexibility & lubrication.* PLUS it provides extra cartilage support (with MSM) and immune health & bone support (with Vitamin D3).* WHY GLUCOSAMINE: Glucosamine is key for the formation of cartilage (essential building block of joints). Glucosamine helps contribute to healthy joint fluid that supports joint lubrication & smooth movement, while also supporting joint comfort, mobility and flexibility.* WHY CHONDROITIN: Chondroitin is a building block of cartilage that supports joint strength by helping to resist compression in the joints. Chondroitin functions by attracting fluid to joints to support cushioning and lubrication.* WHY MSM: MSM is a souce of sulfur found in the body that is important in the formation of collagen in joints (collagen supports the structure of cartilage).* WHY D3: Vitamin D3 helps maintain healthy levels of Calcium & Magnesium, important minerals that support strong bones (healthy bones are key for healthy joints).* *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.