Tip - Office of Dietary Supplements - Vitamin D

Consumer-focused fact sheet about Vitamin D, what is does, how much you need, food sources, effects on health, potential interactions with other substances, and where you can find more information about Vitamin D.
Tags: vitamin d, calcium, vitamin d and calcium, calcium and vitamin d, vitamin d2, vitamin d3, d2, d3, dietary supplement, bone health, vitamin d deficiency, food sources, vitamin d and health