Benefits and Functions of Vitamin A For the Human Body

Vitamin A is one type of fat-soluble vitamins. Although the term often refers to vitamin A compounds retinol, but this group is made up of several other compounds, namely retinol, retinyl palmitate, and retinyl acetate. The chemical formula for Vitamin A is C20H30O.

# Functions and Benefits of Vitamin A.

Here are some of the benefits of vitamin A for the human body.

Eye Health.
Vitamin A has an important role in the health of human visual perception. This vitamin helps distribute the object received by the retina of the eye to the brain as an image. Compounds that play a role in this case is retinol.

Anti-oxidants.
One form of Vitamin A, known as beta-carotene, a compound with antioxidant activity that can counteract free radicals. Both free radicals derived from the oxidation of the body mupun pollution from outside.

Immune System.
Vitamin A also functions as an external inum system that protects the body from free radicals, viruses, bacteria, fungi and pathogens. Insufficient intake of vitamin A daily mean boost immunity.

Prevent Cancer.
Vitamin A is able to fight cancer by suppressing the growth of DNA in cancer cells.

Wound Healing.
Vitamin A can help maintain healthy tissue in our bodies. So it can help speed up the process of wound healing.

Growth.
Vitamin A is also needed for the growth and development of the embryo in the fetus, and determine the genes in the formation of organs in embryonic development.

#Consumption of Vitamin A.

* Daily Dose: 750 mcg.
* Symptoms of vitamin A deficiency: reduced vision, dry skin.
* Excess Vitamin A: Liver, bones, and vision problems. Signs of excess vitamin A on the palm and yellow eyelids.
* Food sources of vitamin A: liver, carrots, dairy products, sweet potatoes, pumpkin, mango, spinach, broccoli, kale, cheddar cheese, chili.

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