Dietary Supplement. Promotes joint mobility & flexibility. Caplets for easier swallowing. Laboratory tested. Glucosamine and Chondroitin Sulfate are key components in cartilage. This formulation plays an important role in the maintenance of joint cartilage and promotes mobility and flexibility for comfortable joint movement. Calcium and Vitamin D work together to promote bone mass and strength. (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).