Are Americans Really Getting Too Much Vitamin D? A Critical Look at Recent Media Warnings

By Dr. Mercola Over the past couple of decades, tens of thousands of studies have evaluated the benefits of vitamin D, linking low blood levels to a whole host of chronic health conditions. In fact, this site was one of the leaders helping to catalyze interest in vitamin D over 15 years ago. Today, many doctors have finally caught on and are taking vitamin D seriously; testing their patients and recommending supplementation when necessary. The progress made makes the present backlash all the more shocking and disappointing. "Many Americans Taking Too Much Vitamin D," Reuters recently announced.1 "More people than ever are taking way too much vitamin D," Popular Science declared, adding, "You may have a deficiency, but overdosing isn't the answer."2 ABC News warned its viewers that taking more than 4,000 international units (IUs) of vitamin D is "far above safe levels," and could potentially cause heart disease.3 Ditto for Consumer Affairs4 and many others.5,6 Where is this coming from
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