Vitamin A is a fat-soluble vitamin, stored in the liver, and that in the diet we can find it in two different types: the preformed in products of animal origin, and the pro vitamin A that is found in foods of plant origin.

Functions of vitamin A

This vitamin helps the formation and maintenance of dental health, soft and bone tissues, mucous membranes and skin.

It is also known by the name of retinol because it produces the pigments of the retina. This is the active form of vitamin A. In the eye it also works by promoting vision, especially during the day. It is also important in reproduction and lactation.

The active form of this vitamin is found in animal liver, in whole milk and in some fortified foods.

Carotenoids, on the other hand, are pigments that are found in tissues of plant origin and that are later transformed into vitamins A. The best known of the carotenoids is beta-carotene, which is an antioxidant, thereby protecting cells from damage. that can cause free radicals, preventing premature aging.

Food sources of Vitamin A

Cod liver oil, eggs, fortified breakfast cereals, fortified skim milk, orange and yellow fruits, broccoli, spinach, and most green leafy vegetables.

Samantha Robson
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Dr. Samantha Robson ( CRN: 0510146-5) is a nutritionist and website content reviewer related to her area of ​​expertise. With a postgraduate degree in Nutrition from The University of Arizona, she is a specialist in Sports Nutrition from Oxford University and is also a member of the International Society of Sports Nutrition.

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