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Vitamin A



Vitamin A is a fat-soluble vitamin that is present in many foods. It is essential to have enough vitamin A supplements in the body, as it helps build a stronger immune system, good for vision, and reproduction.

Also, vitamin A helps the lungs, kidneys, heart, and other organs in the bodywork properly. There are two types of vitamin A – the first type is the provitamin vitamin A, which is found in poultry, meat, fish and dairy products. The second type is found in fruits, vegetables, and other plant-based products. Meanwhile, the most common type of provitamin A found in foods, and dietary supplements are beta-carotene.

Body functions

Vitamin A helps the body in numerous ways, here are some of the ways it helps the body;

-          Reduces the risk of having some form of cancer

-          Helps prevent loss of vision or deteriorating vision

-          Helps to fight measles in children

Deficiency Symptoms

Dry skin, dry eyes, night blindness, infertility, delayed growth, throat and chest infections, poor wound healing, and acne breakout.

Causes of Deficiency

There is a high risk of vitamin A deficiency in pregnant women, breastfeeding mothers, infants, and children. Also, people with chronic diarrhea and cystic fibrosis are run the risk of deficiency.

Food sources

You can get recommended amount of vitamin A for the body by eating a variety of food such as; Fruits, Dairy products, Green leafy vegetables, fish, beef liver and other organ meats, and cereals with milk.

Medicinal sources

You can get vitamin A in dietary supplements that are in the form of retinyl acetate or retinyl palmitate (preformed vitamin A), beta-carotene (provitamin A), or a combination of preformed and provitamin A. Also, most multivitamin-mineral supplements contain vitamin A.

Daily recommended value

High intakes of vitamin A can be harmful to the body, which is why there’s a daily limit to the amount of vitamin A that should go into the body.

According to the U.S. Food and Drug Administration, the Daily Value (DV) of vitamin A for adults and children aged four years and older, is 5000 IU from a varied source of both animal and plant foods.

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