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A member asked:
My vitaman d level is 10 nmol/l what dosage vitamin d shall i take my dr prescribed me 800iu twice aday ?
A doctor has provided 1 answer
Recommend more!: Many authorities say most adults need to take 5-8, 000 iu of vit d3 a day to achieve optimal levels (though less may be needed in summer months if you get mid-day sun without protection). Some advise 10, 000 iu/day for 3 months if your level is low. Toxicity has not been reported with doses of 10, 000 iu or less, but it is wise to recheck blood levels periodically. See my comment as well:.
Answered 1/25/2018
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