What is the recommended dose of vitamin A or the most you should daily before you overdose?

Males

14-18 years old recommended 900 to a maximum of 2800 μg/day

19 - 70 years old recommended 900 to a maximum of 3000 μg/day

Females

14-18 years old recommended 700 to a maximum of 2800 μg/day

19 - 70 years old recommended 700 to a maximum of 3000 μg/day

Note pregnant / lactating females and children require/have different limits.