Millions May Be Taking Vitamin D Unnecessarily, Analysis Suggests – MedicineNet

More confusion about vitamin D levels and supplements from a new study. Quote:

“The IOM [Institute of Medicine] guidelines are so different than the Endocrine Society’s guidelines that this study will just add to the controversy,” said lead study author Dr. Holly Kramer, an associate professor of medicine at Loyola University Medical Center in Maywood, Ill. “We really need clinical trials to settle the whole issue, but what’s clear is that these threshold levels make a huge difference in how many people would be taking vitamin D.” ….

“Vitamin D is necessary in most cells in our body, probably all cells,” [Dr. Robert] Heaney said. “When you have adequate vitamin D, all of the body’s systems tend to work well.” But, “there is no consensus on what normal levels are in the field of nutrition,” he added.

Given everything my body has gone through, that I have to avoid sun exposure and that vitamin D supplements are well tolerated, I will continue taking my 2,000 IU daily.

Millions May Be Taking Vitamin D Unnecessarily, Analysis Suggests – MedicineNet.

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