All About 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. It can be found in many fruits vegetables eggs whole milk butter fortified margarine meat and oily saltwater fish. It also plays essential roles in the kidneys bladder lungs and membranes as well as helping maintain good eyesight.

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Vitamin a is a fat soluble vitamin.

All about vitamin a. 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. Vitamin a also helps eyes adjust to changes in levels of light. Vitamin a is the name of a group of fat soluble retinoids including retinol retinal and retinyl esters. Vitamin a has multiple functions.

Vitamin a retinol retinoic acid is a nutrient important to vision growth cell division reproduction and immunity. Sources of vitamin a. More on vitamin d here. Vitamin a is essential for your health supporting cell growth immune function fetal development and vision.

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 has antioxidant properties. There is a potential for impaired blood clotting.

Vitamin a also helps the heart lungs kidneys and other organs work properly. Minimal side effects have been noted in adults taking supplements in doses less than 2000 mg day. Only noticed in those with severe malnutrition. All about vitamin d.

Perhaps one of the best known functions of vitamin a is its role in vision and eye. Vitamin a is used to treat vitamin a deficiency. Vitamin a is important for normal vision the immune system and reproduction. As well as being necessary to new cell growth vitamin a helps fight infections and is essential for healthy skin blood bones and teeth.

It can also be made in a laboratory. Vitamin a is a fat soluble vitamin that is naturally present in many foods. 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 e tocopherol deficiency.

It is important for growth and development for the maintenance of the immune system and for good vision. The vitamin a that comes from animal sources is fat soluble and in the form of retinoic acid retinal and retinol. Intake recommendations for vitamin a and other nutrients are provided in the dietary reference. There are two different types of vitamin a.

However suboptimal intake of vitamin e is relatively common.