All About Vitamin A

Vitamin e tocopherol deficiency.

All about vitamin a. Minimal side effects have been noted in adults taking supplements in doses less than 2000 mg day. Intake recommendations for vitamin a and other nutrients are provided in the dietary reference. It can also be made in a laboratory. Vitamin a retinol retinoic acid is a nutrient important to vision growth cell division reproduction and immunity.

However suboptimal intake of vitamin e is relatively common. It also plays essential roles in the kidneys bladder lungs and membranes as well as helping maintain good eyesight. Vitamin a also helps the heart lungs kidneys and other organs work properly. Only noticed in those with severe malnutrition.

There is a potential for impaired blood clotting. Vitamin a is a fat soluble vitamin that is naturally present in many foods. Vitamin a is essential for your health supporting cell growth immune function fetal development and vision. There are two different types of vitamin a.

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

Vitamin a is the name of a group of fat soluble retinoids including retinol retinal and retinyl esters. It can be found in many fruits vegetables eggs whole milk butter fortified margarine meat and oily saltwater fish. Vitamin a is important for normal vision the immune system and reproduction. Vitamin a also has antioxidant properties.

It is important for growth and development for the maintenance of the immune system and for good vision. 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 has multiple functions. Sources of vitamin a.

Vitamin a also helps eyes adjust to changes in levels of light. Vitamin a is possibly effective in preventing cataracts or slowing the progression of retinitis pigmentosa an eye disease that causes damage to the retina. Vitamin a is a fat soluble vitamin. 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.

More on vitamin d here.