All About Vitamin A

Vitamin a retinol retinoic acid is a nutrient important to vision growth cell division reproduction and immunity.

All about vitamin a. Intake recommendations for vitamin a and other nutrients are provided in the dietary reference. Only noticed in those with severe malnutrition. Vitamin e tocopherol deficiency. More on vitamin d here.

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

It can be found in many fruits vegetables eggs whole milk butter fortified margarine meat and oily saltwater fish. There is a potential for impaired blood clotting. However suboptimal intake of vitamin e is relatively common. Vitamin a is used to treat vitamin a deficiency.

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 is the name of a group of fat soluble retinoids including retinol retinal and retinyl esters. Vitamin a is important for normal vision the immune system and reproduction. There are two different types of vitamin a.

Vitamin a has multiple functions. 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 possibly effective in preventing cataracts or slowing the progression of retinitis pigmentosa an eye disease that causes damage to the retina. Sources of vitamin a.

Vitamin a is a fat soluble vitamin that is naturally present in many foods. It is important for growth and development for the maintenance of the immune system and for good vision. It also plays essential roles in the kidneys bladder lungs and membranes as well as helping maintain good eyesight. 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 also helps the heart lungs kidneys and other organs work properly. Perhaps one of the best known functions of vitamin a is its role in vision and eye. It can also be made in a laboratory. 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.

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