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A member asked:
How much vitamin d should i take during the winter?
A doctor has provided 1 answer
5-10,000 IU/day: I like my patients to be in the 60-70 ng/dl range. I do a lot of testing, and most of my patients are in the low ranges. It usually takes at least 5, 000 iu per day to stay in the optimal range--and usually considerably more to reach that range. Ask your physician to check your levels if you're not sure.
Answered 10/11/2017
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