A: Ergocalciferol or
vitamin D2 is a form of
vitamin D that is available as a prescription strength tablet or injection.
Vitamin D2 is used to treat a
vitamin D deficiency, low phosphate levels, rickets, osteoporosis, or hypoparathyroidism. A typical prescription dose of
vitamin D2 tablets is
50,000 IU weekly.May 11, 2016
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