qu'est-ce que c'est? what is that? what is it? what does that mean? Synonyms kÃ©saco; Related terms . qu'est-ce que
Vitamins A, D and E are fat-soluble vitamins measured in international units. An international unit, or IU, is used to measure fat-soluble vitamins. Vitamins A, D and E are measured using international units to calculate recommended intakes, deficiencies and toxicities for healthy people. Recommendations vary based on age and gender.
Perhaps the most confusing of the vitamin measurement units, the International Unit, or IU, is used by many supplement manufacturers as a standard measurement for vitamin recommendations. microgram -- mcg -- is an extremely small unit of measurement equal to one-millionth of 1 g or one-thousandth of 1 mg. For example, the average adult needs 15 mcg of vitamin D daily. This is equal to 0.015 mg and 0.000015 g.