Vitamin A, or vitamin A is one of the most important vitamins that are indispensable to humans, and should be obtained in moderate amounts; because the lack of this vitamin in the body leads to many health problems, and the increase from the required amount also lead to a lot of Health problems. Retinol is one of the forms of vitamin A. This is the most active form of vitamin A, and the sources of retinol are animal sources, or sources of animal origin, such as: Liver, eggs, whale liver oil, whole fat milk, retinol carries the following chemical formula: (C20H30O) .
Vitamin A is a fat-soluble vitamin. Vitamins are divided into two parts: water-soluble vitamins, fat-soluble vitamins, and vitamin A is one of the few fat-soluble vitamins; Their number is only four vitamins of the total vitamin which is: Thirteen vitamin.
Vitamin A can be obtained from various plant and animal sources such as carrots, cauliflower, spinach, sweet potatoes, tomatoes, oats, apricots, melons, milk and its derivatives, eggs, meat and liver. Some plant foods contain one of the most important types of vitamin A, namely beta-carotene. Vitamin A can be obtained by dietary supplements.
Benefits of Vitamin A.
Vitamin A plays an important role in the human body; it benefits the body a lot, contributes to the improvement of many of its various functions, and the benefits of vitamin A:
- Strengthens vision, especially in dark places, protects the retina, provides great support, and works to protect it from certain diseases that can be exposed.
- Helps to grow body cells.
- Maintains skin and skin health, gives skin freshness, delays wrinkles, renews skin cells, and prevents skin problems such as acne.
- Helps hair a lot, helps in growth, strengthens the follicles.
- Vitamin A helps maintain heart health; it reduces the level of harmful cholesterol in the blood.
- Maintains healthy bones, teeth and nails.
- Prevents infection of some cancers.
- Strengthens the immune system in the body.
- Vitamin A maintains the health of the pregnant woman and the health of her fetus; it is very useful to her, but the pregnant woman should obtain this vitamin in moderate amounts so that the fetus does not undergo some birth defects.