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A member asked:
Vitamin d 25-oh: 9 (reference range: 30-100). recommendation for vitamin d3 supplement consumption to get it to normal range?
A doctor has provided 1 answer
30ng/mL: Take vitamin D3 at a dose of about 4000 units/day for about three months and can then reduce it to about 2000 units/day. There is no advantage to having levels much above 30 ng/mL.
Answered 6/20/2015
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