All About Vitamin A

However suboptimal intake of vitamin e is relatively common. Perhaps one of the best known functions of vitamin a is its role in vision and eye. The vitamin a in fruits and vegetables is in the form of provitamin a vitamin a precursors also known as carotenoids which must be converted by the human body into usable retinoids.

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Vitamin a is essential for your health supporting cell growth immune function fetal development and vision.

All about vitamin a. Vitamin a retinol retinoic acid is a nutrient important to vision growth cell division reproduction and immunity. All about vitamin d. It can be found in many fruits vegetables eggs whole milk butter fortified margarine meat and oily saltwater fish. There are two different types of vitamin a.

Vitamin a also helps the heart lungs kidneys and other organs work properly. Vitamin a is a group of unsaturated nutritional organic compounds that includes retinol retinal retinoic acid and several provitamin a carotenoids most notably beta carotene. Vitamin a is important for normal vision the immune system and reproduction. Vitamin a has multiple functions.

Sources of vitamin a. Vitamin a is a fat soluble vitamin that is absorbed with fats in your diet and stored in your body s fatty tissue. Vitamin a is a fat soluble vitamin that is naturally present in many foods. It can also be made in a laboratory.

More on vitamin d here. Vitamin e tocopherol deficiency. Vitamin a also has antioxidant properties. It also plays essential roles in the kidneys bladder lungs and membranes as well as helping maintain good eyesight.

It is important for growth and development for the maintenance of the immune system and for good vision. Vitamin a is the name of a group of fat soluble retinoids including retinol retinal and retinyl esters. There is a potential for impaired blood clotting. Intake recommendations for vitamin a and other nutrients are provided in the dietary reference.

Vitamin a is used to treat vitamin a deficiency. Vitamin a is a fat soluble vitamin. Only noticed in those with severe malnutrition. As well as being necessary to new cell growth vitamin a helps fight infections and is essential for healthy skin blood bones and teeth.

Vitamin a is possibly effective in preventing cataracts or slowing the progression of retinitis pigmentosa an eye disease that causes damage to the retina. Because these retinoids are very bioavailable and stored in our tissues too much animal derived vitamin a can build up in the body and become toxic. Vitamin a also helps eyes adjust to changes in levels of light. Minimal side effects have been noted in adults taking supplements in doses less than 2000 mg day.

The vitamin a that comes from animal sources is fat soluble and in the form of retinoic acid retinal and retinol.