An adult only needs a total of 2,300 IU (
women) to 3,000 IU (men) of vitamin A
daily, and total
daily intake of pre-formed vitamin A
for adults should not exceed 10,000 IU. Note: Beta carotene does not count towards this upper limit for vitamin A.
Two products, NOW Vit-Min 75+ and MegaFood Women Over 40 One Daily, each needed 40 minutes to break apart in the disintegration test, which is 10 minutes above the allowable limit.