Question

why vitamin A in food stuff is necessary? what are the main sources of vitamin A​

Answer 1

Explanation:

There are two main types of vitamin A: Preformed vitamin A: This comes in the form of retinol and is present in animal-based food sources, including meat, fish, poultry, and dairy products. Provitamin A: This comes in the form of carotenoids, mainly beta carotene.

i hope it will be helpful to you