Provides 333 mg of calcium, 133 mg of magnesium and 5 mg of zinc, as well as 5 mcg (200 IU) of vitamin D to support bone health. It just might be the easiest way to bone up on your bone health. Provides 333 mg of calcium, 133 mg of magnesium and 5 mg of zinc as well as 5 mcg (200 IU) of vitamin D. Magnesium helps support healthy bones as well as nerve and muscle function. Zinc is vital for normal growth and development. Adequate calcium is important for teens, young adult sand postmenopausal women. Vitamin D helps improve calcium absorption. Nature Made Calcium, Magnesium and Zinc is guaranteed to meet our high quality standards. It is made from carefully selected ingredients under strict manufacturing processes. United States Pharmacopeia (USP) Verified These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.