Useful properties of vitamin A content in products


1. Vitamin A in food

2. The use of vitamin A products in medicine

3. Vitamin A supplementation for hair

4. Indications

5. Contraindications

Vitamin A (retinol) opened one of the first.It is extremely necessary for the human body to maintain good vision, active immune system for maintaining healthy skin.It is therefore important not only to be knowledgeable about vitamin A, but also know how to provide your own body this valuable substance.

Vitamin A is fat-soluble substance that accumulates in the liver.In our body retinol mainly it comes from products that are high in fat animals, carotenoids (and in particular beta-carotene).

Currently vitamin A is produced in many dosage forms, in particular in the form of pills, capsules, film-coated tablets, oral drops, oil solution for intramuscular injection, oral solution and a solution for external application.But do not forget that in a sufficient amount of vitamin A is contained in food.

Vitamin A in

foods often vitamin A in the products contained in a sufficiently large number of "champions" in this respect are considered:

  • liver;
  • fish oil extracted from the liver of cod.
  • egg yolk;
  • butter;
  • beef;
  • fat milk and cream.

also contains retinol in many dark green, orange, yellow and red vegetables and fruits.

should know that the daily human need to retinol is 2300-3000 ME.

Vitamin A supplementation in medicine

Thanks to the versatile properties of this vitamin, it is often used for the treatment of many skin diseases, various eye diseases and various infections.

Useful effects of retinol on the human body really is hard to overestimate.Enumerate its basic useful properties:

  • It is an effective prophylactic against night blindness.This vitamin helps the eyes to adapt when a sharp change brightness, as well as it protects the mucous membranes of the eyes from excessive dryness.
  • retinol also actively influences the skin cells, keeping them and maintaining their normal functioning.He takes part in the formation of immune cells, thereby strengthening the protective function of the body.
  • retinol and involved in the formation of bones and teeth.
  • Retinol is extremely important for the normal development and growth of the organism, as well as for breeding.

By having such useful properties of vitamin A is widely used in medicine.

retinol often used to strengthen the immune system in various infectious diseases (angina, bronchitis, flu).Retinol is effective in herpes, warts and shingles, as well as allergic reactions.As an adjuvant vitamin A used in the treatment of breast cancer, lung cancer, and leukemia.It is also believed that retinol can increase the effectiveness of chemotherapy conducted for the treatment of cancer patients.

very actively used retinol in the treatment of various skin diseases, caused by, inter alia, and lack of vitamin A. It is used to treat the vitamin dry skin, acne, psoriasis, eczema.Retinol also promotes faster healing of wounds and is used for burns, cuts and abrasions.It is noted that the use of vitamin A promotes more rapid recovery of patients after the dislocation of the joints and stretching the muscles and tendons.

Vitamin A supplementation for hair

With a lack of this vitamin in the body hair becomes dry, brittle and faded as well, there is dandruff.Therefore, vitamin A is a must for hair.Of course, it is desirable to establish the correct diet to include foods containing this valuable substance.It is also possible to use solutions, capsules and tablets containing retinol.Very effective use of masks with vitamin A for hair.These masks are not only return the hair a healthy appearance, but also contribute to their rapid growth.


As is known, an overabundance of nutrients as undesirable as the lack of them.Therefore, take drugs containing retinol should be only for special indications.The application of vitamin A in the following cases:

  • deficiency of retinol;
  • diseases of the mucous membranes;
  • certain skin diseases and skin damage;
  • eye diseases (in particular conjunctivitis, keratitis);
  • to accelerate the process of recovery and healing of tissues after the operation;
  • in acute and chronic diseases of the bile channels (retinol is a part of complex therapy);
  • infectious diseases (vitamin is part of the complex therapy).

addition should take vitamin A for women with heavy menstrual bleeding.

As a preventive measure should be used with retinol formulations in 10-15 minutes after ingestion.

for the treatment of severe painful conditions vitamin A in the form of an oily solution is administered intramuscularly, pre-heated solution.If the scheduled long-term use of retinol, it should alternate courses intramuscular injections with oral tablets and capsules.

When ill-defined and medium-expressed vitamin deficiency adult patients prescribed 33 thousand. IU of retinol per day.

When xerophthalmia and night blindness appoint 50-100 thousand IU of retinol per day for the treatment of adult patients and for the treatment of children -. 1-5 thousand IU per day..

should be 50-100 thousand. IU of retinol per day for the treatment of skin diseases.

should know that vitamin A can accumulate in the body to toxic levels, so you should strictly control the dosage of application of the substance.


Retinol has few contraindications.Do not use this vitamin in patients with individual intolerance to this substance, with kidney failure, viral hepatitis or cirrhosis.Also, this vitamin is not assigned to women during pregnancy (especially in the 1st trimester) and lactation, as well as for children and elderly patients.It should refrain from taking the drugs with retinol patients with hypervitaminosis A and alcohol dependence.

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