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A member asked:
In may 2015 my vit level was 22. doc prescribed 12k vitamin d for a week in may. now in dec i usually take 2k a day but raised it to 4k this mth safe?
A doctor has provided 1 answer
Vitamin D deficiency: 1,000 international units (IU) of Vitamin D will typically raise 25OH D level by 10ng/mL. Better yet, ask your doc to recheck your 25OH D level as a result of 4,000 IU, keeping in mind that 30-100ng/mL is considered normal reference range.
Answered 1/5/2016
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