The recommended amount of vitamin A per day depends on age and whether the person is a woman or a man.
For example, adolescent boys should consume about 900 micrograms of vitamin A per day; while for girls it should be 700 micrograms.
Similarly, the recommended amount of vitamin A in adult men is 900 micrograms and in adult women 700 micrograms, although if they are pregnant, they should take about 770-800 micrograms of this vitamin.