Vitamin A, called retinol, is a type of fat-soluble vitamin found in the human body, and it has multiple benefits for the human body, such as strengthening the role of the immune system of the human body to resist various types of diseases, and stimulating the production of white blood cells, which is the first line of defense for the body, Strengthening the health and nutrition of the fetus, and facilitating the division of cells that make up the brain and lungs.
Vitamin A sources
- Meat, liver, cod liver oil.
- Eggs, dairy products, cheese, whole milk, and butter.
- vegetables and fruits; Such as cantaloupe, carrots, spinach, apricots, peaches, pumpkin, and yellow potatoes.
- Medical tablets available in pharmacies that are taken with a specific prescription by a specialized doctor.
Vitamin A benefits
- It strengthens the health of the bones scattered in the human body, and protects against problems related to them; such as fractures and osteoporosis; due to the presence of retinoic acid in it.
- improves the range of vision, and strengthens the eyesight; Due to the presence of retinal, which contributes to passing the membranes of the eye and protecting them from diseases, its deficiency is considered a cause of night blindness and retinal atrophy.
- It fights the formation of kidney stones; It is rich in calcium phosphate, which limits its presence, because these stones cause problems, such as nausea and causing severe pain, in which the injured person resorts to surgery to get rid of them.
- It benefits hair, strengthens it, gets rid of its loss, moisturizes it, fights against dandruff, and restores hair to its natural color that was lost as a result of several health problems.
- The skin gains serenity, purity, smoothness, luster, and vitality, and combats signs of aging, such as the appearance of wrinkles and fine lines on the skin; Because it contains carotenoids, which get rid of oxidation in the body, and reduce the formation of pimples and pimples, such as acne, which is more prevalent in adolescence in particular.
Symptoms of Vitamin A deficiency
- Psychological disorders, and severe depression, which may lead a person to suicide and death.
- Eye infections and itching.
- Various skin problems, such as acne and the appearance of wrinkles.
- The appearance of dandruff on the scalp.
Symptoms of excess vitamin A
- persistent vomiting
- High blood pressure, which in turn causes migraine headaches.
- Kidney failure, but it’s a rare occurrence.
The body’s need for vitamin A
- Infants (from birth – 1 year), both females and males, the vitamin A level should not be less than 2000 IU.
- Children from (4-8) years old, whether male or female, it is recommended that the vitamin A content should not be less than 3000 international units.
- Children (9-13 years), both males and females, the level of vitamin A should not be less than 5600 international units.
- Children from (14-18) years old, whether male or female, it is recommended that the vitamin A content should not be less than 9000 international units.
- Individuals over the age of 19 for both males and females, and it is recommended that the vitamin A content should not be less than 10,000 IU.
Vitamin A sources