VITAMIN A

Nutrients & vitamins

Vitamin A

Diego González, Alejandro Martínez, Alejandro Ferrero

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What is vitamin A?

Why is vitamin A good for us?

Food that contains vitamin A

What is vitamin A

Vitamin A is a fat soluble vitamin that is naturally present in many foods.The term "vitamin A" encompasses a group of chemically related organic compounds that includes retinol, retinal, retinoic acid, and several provitamin. The primary dietary form is retinol, which may have a fatty acid molecule attached, creating a retinyl ester, when stored in the liver.

Why is vitamin a good for us?

• Vitamin A helps the development of bones, teeth, soft tissues, mucous membranes and skin. It is closely related to acne, since a deficiency of vitamin A in the diet can cause its appearance. It also helps the formation of the retina

• It also contributes to the prevention of infectious diseases, especially of the respiratory system, or other pathologies such as measles.
• Its excess can cause diseases such as anorexia, excessive weight loss, alopecia or very severe headaches. It can also cause jaundice, but it is reversible and disappears a few days after stopping heavy intake.

foods where we can find vitamin A

• Some types of fish, such as salmon
• Green, yellow or orange vegetables
• Beef liver and other viscera
• Fruits
• Dairy products
• Eggs

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