When the Institute of Medicine announced last fall that it was changing the amount of vitamin D it recommends most adults get each day from 200 international units (IU) to 600 IU, some critics ...

Vitamin E is a fat-soluble vitamin that is found in foods like avocados, sunflower oil, and red bell peppers. When consumed orally, vitamin E has many benefits ... of 400 IU/day for four months ...