Since is fat soluble: Alot! i fequently start people who are seriously deficient on prescription d2 at 50, 000iu ( 50k), twice weekly and then once monthly. Since it is fat soluble. Individuals with more body fat because of size or obesity take longer to replete. I recommend that everyone take at least 2000iu of d3 per day.
Answered 6/20/2013
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