Since the content of a pill produced by others is 25000IU, it will certainly not be excessive. Does he want you to eat a quarter? One pill a day is not too much, and you often use the computer, so the demand for it is higher than the average person.

Carotene can be converted into vitamin A in human body, but vitamin A is easy to overdose, so if you eat both, the amount of vitamin A should be less.

If vitamin A is enough, carotene will be stored and will not be converted into vitamin A..