Wednesday 22 May 2013

Health Benefits of Vitamin A



Vitamin A, also known as retinol, is a fat-soluble vitamin occurring only in animal foods. Carotenoids, however, function as a great source of alpha-, beta-, and gamma-carotene our bodies convert into vit a and can be found in many fruits and vegetables.

It is indispensable for our health insurance and is especially abundant in foods for example apricots, broccoli, cantaloupe, carrots, kale, liver, mangos, red peppers, spinach and yams. Here are seven reasons why factors to consider that your diet includes vit a.


Immunity 

Not only does Vitamin A strengthen "entry points" in to the human body, such as mucous membranes, the liner of the eyes, respiratory, urinary and intestinal tracts, it's also essential for the lymphocytes, or white blood cells, that fight infection once in your body.

Eyes

Vitamin A, when changed into the retinal (retinaldehyde) form, is vitamin for healthy eyes. It enables the eye to effectively separate light and dark, thus improving night vision. Furthermore, vit a is believed to fight against cataracts, macular degeneration, glaucoma along with other age-related ocular diseases.

Bones and Teeth

When changed into retinoic acid, vitamin A effectively maintains healthy teeth and bones. Dentin, which also requires vitamin A, forms hard layer of material within our teeth, thereby ensuring potency and efficacy. Vitamin A also plays a huge role in replacing worn out or old tissue with newer tissue to make sure healthy bones and teeth.

Urinary Stones

Urinary calculi, or solid particles within the urinary system, may cause pain, vomiting and nausea when stones are formed. Vit a produces a mineral compound in the human body called calcium phosphate that prevents the development of these solid particles.

Cancer

Like a powerful antioxidant, vitamin A fights against oxidative stress, or "cellular rust," inside our bodies, thus protecting us from health issues such as cataracts, atherosclerosis, chronic obstructive pulmonary disease, and cancer.

Skin

The antioxidants of vitamin A combat toxins that can damage the skin through oxidative stress. By preserve proper moisture retention, your skin is not only protected from common dryness, but additionally keratinization (the process in which the epidermis hardens right into a heavy material that makes up hair and nails), psoriasis (an epidermis disease marked by red, itchy or scaly patches), acne, as well as wrinkling.

Reproductive System

Vitamin A is proven to be essential for the reproductive process for males and females.

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