Vitamin D3 5,000Vitamin D is inadequate in many individuals and daily need appears to be higher than previously thought. The role of vitamin D in calcium metabolism and bone health is well known. However, it has many other important physiologic roles that are not as well appreciated. Vitamin D receptors are widely distributed in the body, including colon, prostate, breast and ovary, where it acts to inhibit the excessive growth of body cells and tissues and helps