Vitamin A, or retinol - is a fat-soluble vitamin, which proved to be a "pioneer" among the public and studied vitamins. That's why he got the letter «A» - the first letter in most European alphabets. Further study of the properties of retinol in relation to its biological effect on the body, as well as Vitamin A comparison with other vitamins showed its great importance to the human body.

First of all, it should be noted the active participation of the vitamin and its derivatives in oxidation-reduction reactions, thereby maintain normal metabolic processes, carried out a qualitative saturation of cells by oxygen, proteins, fats, carbohydrates and other nutrients .  The same global action Vitamin A is shown in relation to the activation of the body's defenses .  No wonder many experts dispute the primacy of ascorbic acid (vitamin C), as the most powerful stimulator of immunity, pushing this "title" is vitamin A is .  Indeed, a direct connection is found between the concentration of retinol (or compounds) in the blood and resistance to various infectious diseases .  Appointment of Vitamin A as part of medicaments significantly accelerates the healing process regardless of the severity and form of the disease, whether it is the pathology of the digestive system, the genitourinary system or diseases of the respiratory character .  Moreover, in recent years there are increasing reports of beneficial effects of the compounds on the dynamics of retinal cancer .  At the very least, regular intake of vitamin A few times reduces the likelihood of tumor recurrence after the removal of the site from the malignant transformation of tissues .

A - means the antioxidant

Also it is impossible to ignore the antioxidant action of vitamin A. This means that retinol and its derivatives are able to prevent the damaging effects of free radicals on virtually all cells in the body, primarily to protect the brain cells of the skin and deeper structures. The value of retinol to the brain clearly demonstrates the pattern of deficiency of vitamin A, one of the main manifestations of which is the sharp drop in brain activity, reduced intellectual activity, worsening of mood, the dominance of negative emotions and the development of depression Depression . The role of vitamin A to the skin, which is fueling the functional collagen fibers support turgor and elasticity of the skin, has been known for a long time. Because of this derivative of retinol it has become almost the main ingredients in cosmetics with a rejuvenating effect. Also vitamin A increases the effectiveness of therapeutic interventions for the treatment of various dermatological problems.

Retinol along with folic acid is a vitamin Vitamins for everyone   for pregnant women, because his continued presence in the expectant mother's blood supply to the developing baby improves, thereby ensuring its normal physical and mental development.

Very useful vitamin A is for patients with cardiovascular disease because it clears the line of vascular atherosclerotic plaque increases the concentration of high-density lipoprotein (ie good cholesterol), improves the nutrition of the heart muscle.

Almost all of us have heard about the night blindness, or "chicken" blindness. For visual perception in a twilight meet the special nerve endings in the retina, the so-called "sticks". As part of these receptors contains a special pigment substance for which an essential ingredient is retinol. That is why the lack of Vitamin A is very quickly shown on the ability to distinguish between objects in the semi-darkness of twilight.

Vitamin A is an indispensable food for the human body component, and it is necessary to use an average of about one milligram per day (pregnant and lactating women a bit more). The richest food sources of retinol are yellow and orange fruits and vegetables, cod liver oil, fish oil Fish oil - from childhood Some dairy products, egg yolks, parsley, sea buckthorn oil. However, retinol has a unique ability to accumulate in the body, so that a clear picture of the deficiency of this vitamin is very rare today.

Zhiguli Andrew

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