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Sources Of Vitamin A
Vitamin A is abundantly found in nature and there are many sources of Vitamin A. It is present in many animal tissues, and is eagerly absorbed from these sources in to the terminal of small intestine. It is directly stored in the liver. Basically plants do not have vitamin A, but there are certain plants like dark-green or dark-yellow plants which include the carrot contain carotenoids for example beta-carotene that are used as pro-vitamins. As Vitamin A is stored in the liver as the retinal esters and, when the body needs it is then exported into blood, where it binds with the protein to be delivered to the other body tissues. Beta carotene is the carotene molecule that gives carrots orange color and belongs to the carotenoids and the body converts it in to the Vitamin A. Food with Vitamin A is a direct source of vitamin A
Food Rich In Vitamin A Includes:
1. Sweet Potatoes
2. Red Carrots
3. Mangoes
4. Cantaloupe
5. Dried Apricot
6. Egg Yolk
7. Mozzarella Cheese
8. Liver
9. Spinach
10. Milk
There are many other foods high in Vitamin A but the above ones are the top ten on the list. In fact vitamin A food sources are the best way to intake vitamin A without any side effects.
Functions Of Vitamin A
Vitamin A and its metabolites that are present in the human body play many roles in physiology, and ranging from incorporation in to the vision pigments to controlling transcription of a host of important genes in the body parts. For the perfect health maintenance of vitamin A levels within a normal range is very necessary because the excess or the vitamin A deficiency can cause the serious diseases or body parts malfunctioning. There are various vitamin A functions in the human body some of them are as follows:
1. Vitamin A eye treatment is necessary in the case of the deficiency of the vitamin in eye. Vitamin A is an important component present in visual purple, the light sensitive pigment within rod and cone cells of the retina in the eyes. If Vitamin A is not present in the proper quantity vision can be affected badly.
2. Vitamin A acts as a resistance to the infectious diseases and in case of the vitamin A deficiency it can increase the frequency and severity of disease.
3. Epithelial cells in the skin also require vitamin A for proper differentiation, and functioning. In the case of the lack of vitamin A dysfunctional causes in epithelia which affects the skin.
4. Vitamin A is very important for the Normal functioning of osteoblasts and osteoclasts and its help in the remodeling of the bone
5. Functions of vitamin A also include the perfect behavior of the male and female reproductive systems.
6. Vitamin acne treatment provides the complete satisfied treatment of acne and without any side effects
Facts About Vitamin A
As the vitamin A deficiency is very harmful for the body similarly fact about vitamin A shows that Vitamin A overdose is harmful for the bones and the skins and it also causes the weakness, fatigue and the vomiting feeling to the taker. Even the vitamin A toxicity may occur in the case of the extreme intake of the Vitamin A and can cause the acute toxicity like or the chronic toxicity which is for a longer period of time.