Vitamin D promotes retention and absorption of calcium and phosphorus, primarily in the bones. Too much vitamin D may have the opposite effect of taking calcium from the bones and depositing it in the heart or lungs, reducing their function.

Review Date: 3/10/2001 12:00:00 AM Reviewed By:Aparna Oltikar, M.D., Department of Community Medicine, University of Connecticut School of Medicine, Farmington, CT. Review provided by VeriMed Healthcare Network.

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