400 Iu Means. One iu of vitamin a 0 3 micrograms one iu of vitamin d 0 025 micrograms one iu of vitamin e 0 67 milligrams. The abbreviation iu on vitamin labels means international units it is a standard used by the scientific community to measure the amount of fat soluble vitamins such as a d and e in a capsule or tablet.
International units for some medications and vitamins each of these has. International units iu are an old terminology used to state the potency of vitamins a d and e before vitamins were manufactured in a pure enough form to be measured by weight. The exact measure of one iu of a substance is in fact established by international agreement for each substance 1.
Most consumers don t need to convert in or out of the iu measurement.
In pharmacology the international unit iu is a unit of measurement for the amount of a substance. Iu ml is a measure of active form of vitamin d not the total amount of. The exact measure of one iu of a substance is in fact established by international agreement for each substance 1. 400 iu of vitamin e as d alpha 0 67 268 mg vitamin e.
