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Vitamin A (retinol, retinal, retinoic acid)

Vitamin A is a strong antioxidant important for the skin and its elasticity, softness and structure, as well as vision, growth, bone and teeth formation, immunity and the functioning of the nervous system. It is necessary for the reproductive system of both males and females and is important for the development of the embryo during pregnancy. 

Prior registration is not required, upon arrival, please go straight to the reception.

Information on how to prepare for the test is available HERE.

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Why it is worth

To be examined at our Centre?

  • The laboratory is accredited with the ISO 15189 standard, so you can be confident that your tests will be performed to the highest quality. 
  • You will find out the results of the main tests within 1–2 hours and the rest within 1 day, except in cases where this is impossible due to the technological process (e.g., the time it takes for a culture to grow).
  • The results of the tests carried out will be explained by our laboratory specialists. This service is only offered by a few laboratories in the country.
  • If required, we can perform further tests using the same sample of blood, for up to 7 days after the sampling.
  • No danger of damaging or mixing up the test samples due to transportation. 
  • Tests can be carried out anonymously.

Good to know

A vitamin A test is recommended when indications and symptoms appear that show its deficiency: night-blindness, dry eyes and hair, Bitot’s spots (pearly spots on the conjunctiva) as well as for those who suffer from thyroid and skin diseases, cataracts and inflammation of the ocular mucous membrane. More vitamin A is needed when engaging intensively in sports, during pregnancy and breastfeeding.

  • scaly, dry skin
  • dryness of the eyes
  • breaking nails
  • breakout of pimples
  • sores in the mouth
  • declining condition of the hair
  • disordered vision
  • fatigue
  • slower growth for children

It has been shown that long-term and substantial vitamin A deficiency may cause the development of eye diseases, e.g., night-blindness, cornea inflammations.

Excess vitamin A in the body is associated with the use of nutritional supplements. The excess of this vitamin accumulates in the liver; a prolonged increase in its concentration can, therefore, even cause liver damage.  

Symptoms characteristic to overdosing:

  • nausea
  • vomiting
  • drowsiness
  • headaches, bone and joint pains
  • peeling skin
  • foggy vision
  • deteriorated vision definition
  • Your test results will be ready within 1 working day.
    You can pick them up at the reception or, if you wish, we will email them.
  • For an explanation of the test results, you should call the laboratory tel. (+370) 247 64 17.

FAQ (frequently asked questions)

Products rich in vitamin A include fish oil, liver, dairy products, egg yolks, pumpkins, carrots, tomatoes, cabbage, broccoli and apricots.
Vitamin A is assimilated better with fats. Because of this, it is advisable to consume, for example, carrot juice or other vegetables with some oil or fats.
Vitamin A survives cooking, but it disintegrates when drying at a high temperature.

Vitamin A daily norm:

  • for adults – 800 mg
  • pregnant and breastfeeding women – 1,000–1,400 mg
  • children – 400–700 mg
  • teenagers – 800–1,000 mg

Contact your family doctor or internist or register to visit a physician specialising in this field at our centre. Please find the prices for a consultation HERE.

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