Now with more Vitamin D Calcium is the primary mineral responsible for strong bones and supports colon health.* The body also uses Calcium for proper muscle contraction and nerve function.* Vitamin D assists in maintaining a healthy immune system.* Just two tablets of Calcium 600 with Vitamin D give you the support of 120% of the Daily Value for Calcium. We include Vitamin D to aid the absorption of the essential mineral. * 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. Nutrition Questions or Comments? Call NutraPhone® Mon.-Fri. 9 am - 7 pm ET.