international units

Also found in: Dictionary, Encyclopedia.

international units, a unit of measurement that evaluates the potency of a substance. Because it measures potency instead of quantity, there is a different international unit-to-mg conversion ratio for each particular substance.
References in periodicals archive ?
If a person is severely deficient in Vitamin D3 (less than 10 nmol/litre), he would need 2,000 International Units of supplements per day.
Doses of 400 international units per day or lower did not reduce the risk of either fracture type.
The daily dose in the study was 400 international units of alpha-tocopherol vitamin E, the form most active in people.
In the new work, researchers gave 617 nursing home residents in the Boston area a daily multivitamin plus a capsule that contained either 200 international units (IU) of vitamin E or inert ingredients.
The Daily Value for vitamin D is 400 International Units (IU).
In the United States, the average, daily intake of vitamin A through food--especially fish, eggs, and meat--is roughly 2,600 international units (I.
The study's vitamin E dose was equivalent to what a person gets by taking a supplement of about 400 international units daily, Wimalawansa says.

Full browser ?