For the normal functioning of the body, it is necessary that all the necessary vitamins come with food. Ignorance of what products contain which substance can lead to vitamin deficiency and various disorders in the body.
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What is Vitamin A for?
Vitamin A, also called retinol, is the first vitamin that scientists have discovered. This is a fat-soluble substance that affects many processes in the human body. He takes part in the synthesis of proteins, has a direct effect on the growth of bones, hair and teeth. Retinol affects the metabolism and the formation of the immune system response, the distribution of lipid deposits. Vitamin A protects the mucous membranes, the gastrointestinal tract, and the respiratory and genitourinary systems from infection.
For the correct growth and development of children, it is especially important to consume a sufficient amount of vitamin A. Women during pregnancy should also increase the dose of retinol so that the fetus develops normally.
Vitamin A is extremely important for vision. This substance is responsible for the adaptation of the eye to various degrees of illumination, ensures the normal functioning of the retina, visual analyzers and the mucous membrane.
It is the lack of retinol in the body that causes such an ailment as night blindness - impaired vision in low light.
Vitamin A is also called the vitamin of youth. He is involved in the formation of new cells and is responsible for the smoothness and sufficient moisture of the skin, good condition of hair and nails.