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Results 1 - 1 of 1 for "25-Hydroxyvitamin" D 2
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  1. Vitamin D 
    ... at blood levels of a form known as 25-hydroxyvitamin D (25(OH)D). Blood levels are described either ... many supplements. The safe upper limit for vitamin D is: 1,000 ... for babies 7 to 12 months 2,500 IU/day (63 mcg/day) for children ...
    https://medlineplus.gov/ency/article/002405.htm - Medical Encyclopedia