Iu Meaning. International unit iu a measurement of biological activity in which one iu is equal to one mg milligram. 302 views view 1 upvoter.
In pharmacology the international unit iu is a unit of measurement for the amount of a substance. Gale encyclopedia of medicine. International unit iu a measurement of biological activity in which one iu is equal to one mg milligram.
An international unit iu is an internationally accepted amount of a substance.
The mass or volume that constitutes one international unit varies based on which substance is being measured and the variance is based on the biological activity or effect for the purpose of easier comparison across substances. Copyright 2008 the gale group inc. Iu definition immunizing unit. This type of measure is used for the fat soluble vitamins such as vitamins a d and e and certain hormones enzymes and biologicals such as vaccines.
