Vitamin A belongs to a group of fat soluble vitamins which means they dissolve in fat. The role of vitamin A in the body, like the rest of the vitamins, minerals and essential nutrients, is essential for good health.
It is necessary for growth and bone development and cell growth. Is a vitamin that provides the raw material for growth, maintenance and repair of mucosal cells, skin, nails, hair and tooth enamel.
It is also a necessary vitamin for the immune system. Stimulates immune functions by creating a protective barrier against various microorganisms. Helps maintain health by avoiding all types of infectious diseases, especially respiratory.
Because of its role in cell development is a vital vitamin in the changes that occur in cells and tissues during pregnancy to the fetus to develop normally. Contributes equally in reproductive function serves for the production of sperm as well as for normal female reproductive cycle.
One of the functions of the vitamin most important is related to vision. It is extremely important for the vision system and prevent problems such as cataracts, glaucoma, vision loss, blindness twilight and is useful for bacterial infections such as conjunctivitis.
It also represents a powerful tool for cancer prevention and aging as a natural antioxidant.
Foods highest content of vitamin A have are: dairy products, egg yolks, fish liver oil, all plants yellow, green or red carrots, sweet potatoes, pumpkins, squash, peppers, spinach, tomato, asparagus and broccoli among many others. Fruit with more vitamin A are the apricot, peach, melon, papaya and mango.
Excess alcohol inhibits the absorption of vitamin A. To get all the vitamins from food where possible is recommended to consume always fresh and raw. We also have to say that too much vitamin A can have serious health consequences.