Vitamin A deficiency is when the body does not get enough of the vitamin, which can lead to symptoms such as night blindness. Which can be treated by taking vitamin A supplements, and can be prevent by eating foods high in vitamin A.
Vitamin A is a fat-soluble vitamin, also known as a retinoid, which includes retinol, retinoic acid, and retinyl esters. Vitamin A is essential for the growth and function of many parts of the body, including the eyes, skin, and immune system. It is in many foods, including fruits, vegetables, and fish. Carotenoids are a group of chemical compounds in plants that can be convert to vitamin A in the body. Most people use vitamin A to treat vitamin A deficiency แทงบอล UFABET ราคาดีที่สุด ไม่มีขั้นต่ำ. It is also use for premature skin aging, acne, cataracts, people with HIV/AIDS, supporting children’s development, infections, and many other conditions.
Recommended daily intake of vitamin A
- Children should get 300 micrograms (mcg) of vitamin A, or 1,000 IU.
- Adolescents should get 600 micrograms (mcg) of vitamin A, or 2,000 IU.
- Adults should get 700 micrograms (mcg) or 2,300 IU of vitamin A for women and 900 micrograms (mcg) or 3,000 IU for men.
In addition, people who drink excessive alcohol or have liver problems should avoid taking vitamin A supplements, as too much vitamin A can build up in the liver and not be excret, which can be harmful to the liver.
Vitamin A deficiency is a leading cause of preventable blindness. It also increases the severity and risk of death from infections such as measles and diarrhea. That vitamin A deficiency increases the risk of anemia and death in pregnant women. And can adversely affect the fetus by slowing growth.
Mild vitamin A deficiency can cause less severe symptoms, such as skin problems and acne. Certain groups of people, such as premature babies, people with cystic fibrosis. And pregnant or breastfeeding women in developing countries, are at higher risk of vitamin A deficiency than in developed countries.
Finally, eating a well-balanced diet is the most effective way to prevent vitamin A deficiency. Foods high in vitamin A include eggs, dairy products, salmon, chicken, beef, liver, green leafy vegetables. And red, yellow, and orange vegetables and fruits.