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A 53-year-old male asked:

For vitamin d level my blood test shows 15.9 ng/ml(range is 25-80).is my reading low or very low?how much extra vitamin d should i take to compensate?

1 doctor answer1 doctor weighed in
Dr. Dean Giannone
Internal Medicine 25 years experience
Vitamin D deficient: This result does put you into a category of vitamin D deficiency. I usually recommend 2000 IU daily of vitamin D3. Recheck in a few months, and if your level has corrected adequately then you can perhaps cut back (although there's less sunlight during the winter months, so you may want to keep the dose at 2000 IU until at least next summer).

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Last updated Sep 19, 2017

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