Tuesday, February 12, 2013

Vitamin D Potency Varies Widely in Dietary Supplements--OTC or Compounded-- Analysis Finds

Feb. 11, 2013 — Vitamin D supplement potency varies widely, and the amount of vitamin D in over-the-counter and compounded supplements does not necessarily match the amount listed on the label, according to a research letter published in the journal JAMA Internal Medicine

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