What is vitamin A used for?

1. Vitamin A strengthens the immune system

Vitamin A promotes the proper functioning of the body Immune system. In fact, the energy contained in the food is needed for the proper functioning of the immune system. The role of vitamin A is to provide energy for immune cells. It allows the production of antibodies that protect the body against diseases and infections.

Vitamin A also has a function produce and reproduce white blood cells. These are leukocytes that help protect the body against bacteria and viruses.

2. Vitamin A is essential for healthy vision

Vitamin A, also known as retinol, has many benefits for the eyes. In fact, vitamin A is essential to have a good eyesight. This vitamin helps reduce the risk of eye diseases and slow down the progression of eye diseases. Vitamin A deficiency is leading cause of blindness among children in many countries.

Vitamin A is vision vitamin. It actually plays a very important role in the proper functioning of the retina, the essential organ of vision. The retina separates images using photoreceptors. They transmit images to the brain via an electrical signal.

Also, rhodopsin is a red visual pigment found in photoreceptors. It is used to see correctly in low light. Vitamin A is essential for the synthesis of rhodopsin. So vitamin A improves night vision. One of the first signs of vitamin A deficiency is poor night vision.

Also discover:Role, Benefits and Demerits: Everything You Need to Know About Vitamin A

3. Vitamin A is necessary for the beauty and health of the skin

Vitamin A provides beautiful skin, well hydrated. This is explained by the action of beta-carotene as a precursor of vitamin A, called “provitamin A”. After entering the liver, beta-carotene is converted into vitamin A. It is an antioxidant that affects the skin and protects it from the aggression of UV rays.

Vitamin A is found in plant foods in the form of carotenoids. Beta-carotene is a precursor of carotenoids. Therefore, fruits and vegetables are the greatest sources of beta-carotene:

  • carrots;
  • Sweet potatoes;
  • pumpkins;
  • apricots;
  • mangoes

Contains vitamin A like retinol in food products of animal origin. The foods that contain the most retinol contains fish and animal liver.

Vitamin A also helps neutralize free radicals in the body. As a result, the skin regenerates faster, for example after sunburn. Finally, vitamin A slows down skin aging because antioxidant activity.

4. Vitamin A contributes to healthy mucous membranes

Mucus is a moist area produced by the body’s mucous membranes (eyes, intestines, respiratory tract, and urinary tract). It is used to combat infectious diseases such as smoke, dust, bacteria, etc. Mucus serves as line of defense against disease. The body needs enough vitamin A to maintain mucus secretion.

Glycoproteins are complex proteins that can to trap bacteria, and which make the mucus viscous. Mucin is, for example, a glycoprotein from which mucus is formed. This protein covers the cells in contact with the external environment and thus protects the body from attacks. Vitamin A also plays a role synthesizes mucin.

5. Vitamin A contributes to iron metabolism in the body

Iron is essential for transporting and storing oxygen in the body. Organization metabolizes iron a chemical process to which vitamin A strongly contributes. Consuming food rich in vitamin A and beta-carotene contributes strongly to increased absorption of iron in the body. For optimal absorption of iron in the body, doctors also advise not to drink coffee or tea two hours before or after a meal.

The role of vitamin A is necessary for the proper functioning of the body. It performs several important functions in the body to maintain good health. Indeed, vitamin A contributes to good eyesight, a strong immune system and beautiful skin. Check out our other Vitamin A articles.

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