I am confused about vitamin D. I have been taking it for years, along with calcium, to protect my bones. Recently, I read that there is no evidence it works and that too much could be harmful. Can you ...

Medically reviewed by Aviv Joshua, MS, RDN Although a multivitamin can help if you are deficient in nutrients, most people ...

Which vitamin D supplements are best? There is nothing quite like enjoying some fun in the sun to provide your body with some much-needed vitamin D. If you cannot be out in the sun, have a milk ...

For this reason, the National Institutes of Health Office of Dietary Supplements recommends that most children and adults ...