Vitamin A

vitamina aVitamin A is one of the best nutrients that can become consumed to reach a well being in body. This that compound  of retinoids and carotenoids; (Active and inactive form), it is responsible for optimizing completely with your immune system cell function, thereby increasing defenses and preventing  spread of viruses, infections, or high-risk diseases.

Benefits of Vitamin A that may not know

Beyond these benefits, vitamin A is useful to slow down oxidation process in tissues, bones, joints and skin. It also has a positive influence on condition of vision, because  eradicating risk of cataracts, macular loss or glaucoma, and not only that, but in turn prevents activation of cancer cells in  mouth area, stomach, lungs and blood system.

Moreover, improved the audibility with the neutralizing of sclerosis. Likewise  promotes growth of hair and nails; after promoting high production of collagen.

Properties

This vitamin compound is completely soluble (not excreted in the urine) and is known by the name of retinol; which on oxidation produces retinoic acid and gives life to its  soothing medicinal effect.

Daily Vitamin A Doses

The recommended dose of vitamin A depends on the person's age, and their average consumption should reach 100% of their daily value (VD), so that there are enough retinol equivalents (RE) per day in the body. A varied diet with 900 mcg of vitamin A, for example, contributes between 3,000 and 36,000 international units (IU).

These fat soluble or liposoluble oils, which are essential for development and functions of the human body, range from 700 to 900 micrograms (mcg) per day for ingestion in an adolescent; while for women who are breastfeeding consumption is 1,200 to 1,300 micrograms (mcg) per day. On the other hand, for babies and children under 14 years of age, the recommended values are lower.

Vitamin A deficiency consequences

Vitamin A deficiency in the body affects the immune system and increases the chance of getting malaria, measles and diarrhea. However, its most common symptom of lack is ocular disease called xerophthalmia, a visual impairment that does not allow the eye to produce pigments for retinal photocells to function properly.

On the other hand its insufficiency, causes that the eyes can not produce enough humidity so that they are kept properly lubricated, and do not be nourished of its own elements, including the cornea.

 In pregnant women, lack of vitamin A can cause night blindness and contribute to maternal mortality.

Vitamin A for skin

This vitamin, because of its fat or oil content, is recommended to keep the skin healthy, and stable in beauty, without symptoms of cracking, aging or acne, because unlike others, complex A corrects from inside out the problem , directly attending to diseases that may occur on skin mantle.

However, its daily intake helps to keep the mucous membranes and organic tissues in perfect condition, as it allows the cells to improve appearance of skin, while limiting production of sebum by the body and acts againstb bacteria they cause acne.

Vitamin A for Hair

Its properties are efficient to maintain good health of hair, due to its content of antioxidants that hydrate scalp and prevent it from drying out, keeping it strong and thick, as well as combating free radicals that produce excess fat or dirt, Which in many cases is transformed into dandruff.

Also, it is important to give it brightness and strength, reducing its fall, and presenting abnormalities such as alopecia or baldness of point.

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