Studies of vitamins D and K indicate they synergistically support bone strength and cardiovascular health. Vitamin D3 is also recognized for its role in immune health, while vitamin K2 is known to help direct calcium to bones rather than arteries and joint spaces.*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. NaturesPlus Chewable D & K Complex supplies these vitamins together...along with a delicious mixed-berry flavor.