The top food sources of vitamin A in the U.S. diet include dairy products, liver, fish, and fortified cereals; the top sources of provitamin A include carrots, broccoli, cantaloupe, and squash [4,5].
Hereof, what is meaning of vitamin A?
A nutrient that the body needs in small amounts to function and stay healthy. Vitamin A helps in vision, bone growth, reproduction, growth of epithelium (cells that line the internal and external surfaces of the body), and fighting infections. It is fat-soluble (can dissolve in fats and oils).
Secondly, what type of vitamin A is best?
The best-known carotenoid is beta carotene, but there are several others ( 1 ). The vitamin A potential of carotenoids — or how much vitamin A they provide after being converted into active vitamin A in the body — is expressed as retinol activity equivalents (RAE) ( 1 ).
