As we celebrate the 235th birthday of our great nation, we asked a number of community leaders to share their thoughts on what the Fourth of July means to them. The Fourth of July reminds me very simply of our freedom.
Vitamin A: 1 IU is the biological equivalent of 0.3 mcg retinol, or of 0.6 mcg beta-carotene. 1  Vitamin D: 1 IU is the biological equivalent of 0.025 mcg cholecalciferol or ergocalciferol. 2  Vitamin E: 1 IU is the biological equivalent of 0.67 mg d-alpha-tocopherol, or 0.9 mg of dl-alpha-tocopherol.
Best Answer: 1000 mcg is a milligram. Your tablets are 0.4 mg, so if you take 10 that would be 4 milligrams. 2 and a half tablets would be a milligram of folic acid. Beth, the people below are wrong. Also, the way you wrote microgram (mcg) is better than ug by far because it is more descriptive.