Interesting Facts
10,000 IU of D3 is less than 1 mg and equals 250 mcg (micrograms) of D3. You read that right, 10,000 IU = 250 mcg.
20,000 IU = 500 mcg
Click for a conversion calculator for Vitamin A, Vitamin D, Vitamin E (opens in a new tab)
D3 IU Conversion
