IU= international unit. This is a unit used to measure the activity (that is, the effect) of many vitamins and drugs. For each substance to which this unit applies, there is an international agreement specifying the biological effect expected with a dose of 1 IU. Other quantities of the substance are then expressed as multiples of this standard. This also means that this measurment is not based on sheer volume or weight of the substance, but rather the effect.
IU is not a measurement of mass or weight like others but ti is the measurement of potency of a drug such as...vitamin capsules. =)
http://en.wikipedia.org/wiki/International_unit
An iu, or international unit, is a measure of "how much active ingredient there is per mil". As such, it can not be converted into mils because it is not a liquid measurement, it is a drug measurement (for measuring tiny amounts).
IU stands for Internation Unit, which is a unit of measurement. However it is based on the affect not a actual measurement. It is commonly used in pharmacy for some medication, vaccines, vitamins and hormones. The amount of the IU is regulated by an internation agreement for each substance. It is monitored by the Committee on Biological Standardization of the World Health Organization. The thing to remember is that 1 IU of vitamin B is not going to be the same as 1 IU of vitamin E.
Intra uterine?
These are units of measurement. MG stands for Milligrams, which means one-thousandths of a gram IU stands for International Unit. This is not measured by mass or volume, but is based the biological activity or effect of that substance.
IU stands for International Unit, it has no fixed value but varies from one substance to another, depending on the quantities of that substance normally used in pharmacology. There is a good introduction to this topic in Wikipedia 'International Unit'
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international unit
Induction Unit
International unit this is a unit used to measure many vitamins and drugs. It is a standarized measurement, therefore, what is in the tablet or pill is standard. This is not true for any herbal preparations, which are not standardized.