Iu Meaning In Vitamins. What does iu mean in vitamins. 0 5mg is the same as 500μg.
The volume or mass that makes up one international unit is dependent on the concentration or potency of the substance and therefore varies from substance to substance depending on what is being measured. Alpha tocopherol vitamin e is the one with the most bioavailability in humans and you need 22 4 iu of this form of vitamin e daily. 0 5mg is the same as 500μg.
For example 1 iu of vitamin e is equivalent to 0 66 milligrams of delta alpha tocopherol or 1 milligram of alpha tocopherol acetate.
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. 0 5mg is the same as 500μg. In pharmacology the international unit is a unit of measurement for the amount of a substance.
