Dri For Vitamin A In Iu

For females 19 years and older the requirement is 700 mcg or 2 310 iu or international units per day.
Dri for vitamin a in iu. 3000 mcg rae 10 000 iu comments the vitamin a rda is given as mcg of retinol activity equivalents rae to account for the different bioactivities of retinol and provitamin a carotenoids the body converts all dietary vitamin a into retinol. Dietary reference intakes dris. For a reader friendly overview of vitamin a see our consumer fact sheet on vitamin a.
Newer labels show values in. Figures for vitamin a are expressed in mcg rae retinol activity equivalents rather than iu international units an older unit of measurement. Unit μg day rae iu day rae μg day table 1 footnote 4 iu day table 1 footnote 4 mg day μg day ear rda ai ul table 1 footnote 3 ear rda ai ul table 1 footnote 3 ear rda ai ul ear rda ai ul ear rda ai.
The recommended dietary allowance for vitamin a is shown both in micrograms mcg as well as international units to account for activities associated with different forms of vitamin a. This is a fact sheet intended for health professionals. 100 dietary reference intakes table 4 4 correction of abnormal dark adaptation with vitamin a vitamin a dark intake serum adapta reference subject âµg d duration retinol tiona ergb blanchard da man 90â 165 a and 20 y 450 3 d c harper 600 2 d si 1940 jk man 90â 165 a 23 y 300 4 d c 1 081 2 d c th man 90â 165 a 20 y 150 3 d pc.
Vitamin a is the name of a group of fat soluble retinoids including retinol retinal and retinyl esters vitamin a is involved in immune function vision reproduction and cellular communication 1 4 5. Table 1 reference values for vitamins vitamin a table 1 footnote 1 table 1 footnote 2 vitamin d vitamin e table 1 footnote 5 vitamin k. An older international standard still commonly used is the international unit iu.
One iu is equivalent to 0 3 microgram mcg retinol and one mcg of retinol is equivalent to 3 33 iu retinol. Recommended dietary allowances and adequate intakes from the national academies.