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05/19/2016
Useful Phrases with the preposition BY
05/19/2016

Useful properties of vitamin A

Useful properties of vitamin A

Vitamin A (retinol) is fat-soluble.

It was first synthesized from carrots, so vitamins in this group are called "carotenoids" (from the English carrot - carrots).

The use of vitamin A to the body

Vitamin A (retinol) plays an important role in thehumans. He takes part in the redox processes, protein synthesis, formation of bones and teeth, promotes normal metabolism, the functioning of cell membranes. Vitamin A is an antioxidant that slows down the aging process in the body. It is necessary for normal growth of new cells.
Retinol is an essential element,ensuring the functioning of the human immune system. Vitamin A increases mucosal protective function, increases the activity of leukocytes, and other components of innate immunity. It protects the body from colds, infections, influenza, diseases of the gastrointestinal tract and urinary system. Due to the antioxidant properties, vitamin A is a prophylactic cancer, protects cells from harmful free radicals.

Vitamin A has a positive effect on the cardiovascular system, it prevents the development of heart disease.

Retinol is an integral partcosmetic products designed to restore skin tissue. It is used as a remedy for skin diseases of different origin (acne, psoriasis, and others.). When the sun burns it improves collagen production, accelerates the recovery process and reduces the risk of infection.

How to make vitamin A

The recommended daily dosage of vitamin A: Men - 3000 IU (900 micrograms) for women - 2300 IU (700 micrograms). In diseases caused by deficiency of retinol in the body, the daily dose may be increased to 10,000 IU. Pregnant women should not take more than 6,000 IU of vitamin per day because large quantities of retinol has a negative effect on the development of the fetus in utero.

Be wary of vitamin A should be taken in patients with asthmatic manifestations of allergy. Retinol is contraindicated for people suffering from hypothyroidism.

Retinol take in diseases and injuriesmucous membranes and skin (candidiasis, burns, eczema, seborrheic, allergodermatosis), diseases of the eye (conjunctivitis, keratitis), if necessary, enhance the recovery and tissue healing processes after fractures, surgery, burns, wounds. Vitamin A is administered in the complex treatment of acute and chronic diseases of the liver and biliary tract and liver, iron deficiency anemia, acute and chronic pneumonia.

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