The Significance of Vitamin A for the Human Body

Jul 14 07:31 2010 John Ratch Print This Article

Vitamin A, which is also known as retinol, helps the eyes adapt to bright modifications when one comes from outside and as well helps in keeping the skin,eyes  and mucous membranes moist. This vitamin can be incurred generally in animal products, but many plant-based foods add beta-carotene that might be converted by the human body into Vitamin A.

Vitamin A,Guest Posting which is also known as retinol, helps the eyes adapt to bright modifications when one comes from outside and as well helps in keeping the skin,eyes  and mucous membranes moist. This vitamin can be incurred generally in animal products, but many plant-based foods add beta-carotene that might be converted by the human body into Vitamin A. This vitamin has also antioxidant properties which may neutralizes, if not wipe out, free radicals in the human body that stimulate destructions to our tissues and cells.

Vitamin can be found in dairy products, eggs, liver, meat and cod. Different roots of this vitamin comprises of fresh fruits like cantaloupe,  grapefruit, and apricots and veggies like spinach, carrot and broccoli. If one is stressed about animal-based foods due to their high cholesterol and fats content, anyone should have above mentioned fresh fruits and vegetables.

So, how does Vitamin A do good for us?

Vitamin A is absolutely essential to our development, fix and cell differentiation including teeth, bones, cartilage and collagen. This vitamin also helps in changing unspecialized cells in order for them to perform well for specified uses like tissue growth and maintenance. Due to its primary purpose in cell growth and cell differentiation, appropriate amount of this vitamin is good to fetal development in women’s pregnancy.

Vitamin A is also necessary in the formation of healthy epithelial cells that cover the internal and external surfaces of our human body. Epithelial cells are found in the cornea,lungs, skin, inner ear, sex organs, gland and gland ducts, gums, nose,cervix and developing teeth.

Vitamin A is too needed by the body immune system. It can aid cover the body against infection. Vitamin A forms the surfaces of the body barrier against the intrusion of micro-organism. It can too raise the immune functions of the body, like antibody reactions and the white blood cells activities
.
Vitamin A is likewise great for the human eye due to its engagement in the production of chemical popularly known visual purple. This chemical helps in our sight when the light is dark. It likewise assists in keeping us from xerophthalmia or a dangerous dry condition of the eyes, establishment of ulcers in cornea part, sticky or swollen eyelids and it can likewise result to blindness.

One vital thing you demand to know is that ingestion of Vitamin A should be checked. The idyllic everyday amount of Vitamin A ingestion for men must be 800 mcg while for women 1000 mcg. Insufficiency of Vitamin A can lead to night blindness, diarrhea, eye inflammation and other health problems.

Extravagant intake of Vitamin A is bad to the body. Vitamin A overdose can result to nausea, irritability, and mild blurry sight. Numerous people who were overdose with this sort of vitamin likewise reported to have experienced hair loss and growth retardation. Enlargement of the spleen and the liver is as well observed among individuals who were overdosed highly.

Now that you have acquired the importance of this Vitamin, start consuming foods loaded in Vitamin A. You can likewise require Vitamin A supplement if you wish to ensure the appropriate amount of daily ingestion. Vitamin A supplements can be bought from your local drugstores or on the internet drugstores.








Source: Free Guest Posting Articles from ArticlesFactory.com

About Article Author

John Ratch
John Ratch

John Ratch writes informative articles on health-related issues and the use of natural health supplements. If you would like to find out more information on  health supplements, visit Natural Online Pharmacy New Zealand at Healthy.co.nz.

View More Articles