Vitamin D benefit
Vitamin D promotes retention and absorption of calcium and phosphorus, primarily in the bones. Scientists are also investigating many other possible health benefits. Taking too much vitamin D (above 2,000 IU a day) can be toxic.
Reviewed By: Diane M. Horowitz, MD, Rheumatology and Internal Medicine, Northwell Health, Great Neck, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.