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.
The vitamin-D content of a food is sometimes cited in micrograms of cholecalciferol, a form of the vitamin produced by the action of sunlight on skin. At other times, it is reported in International Units. There is an exact relationship between the two: one IU is equal to 0.025 micrograms of cholecalciferol.Hence:he vitamin-D content of a food is sometimes cited in micrograms of cholecalciferol, a form of the vitamin produced by the action of sunlight on skin. At other times, it is reported in International Units. There is an exact relationship between the two: one IU is equal to 0.025 micrograms of cholecalciferol. Hence: