Tolerable Upper Intake Level (UL): Maximum daily intake unlikely to cause 1 IU retinol = mcg RAE; 1 IU supplemental beta-carotene = . The DV for vitamin A used for the values in Table 2 is 5, IU for adults and.
Vitamin A is important for normal vision, the immune system, and reproduction. Vitamin The amount of vitamin A you need depends on your age and For adults and children aged 4 years and older, the U.S. Food and Drug.
Initially, to determine the average longitudinal effect of supplementation with RE ( IU) vitamin A/d on serum retinol, serum triacylglycerols, and serum.