Only found as such in foods of animal origin, although the plant is found as provitamin A, in the form of carotenoids. The various carotenoids are converted in the human body and stored in the liver and fatty tissue of the skin, making it possible to survive long periods without their input.
Its main task is to protect the skin and eyes. It also participates in the development of enzymes in the liver and adrenal sex hormones.
The consumption of foods rich in vitamin A is recommended for people prone to respiratory infections, eye problems or skin dry and flaky.