14,40 €
Vitamin B12 active
Vitamin B12 active
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You can receive your results for selected tests on the same day as the sample collection, all other results will be available online within a few business days.

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With online booking for a specific time, you minimize waiting and complete the entire sample collection quickly and comfortably.

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Our laboratories perform more than 40.1 million tests annually for physicians, healthcare facilities, and self-paying patients.

About this test

B12 is an essential nutrient plays a crucial role in maintaining healthy nerve cells, supporting red blood cell production, and aiding in DNA synthesis. Deficiency in B12 can lead to fatigue, nerve damage, and anemia, while adequate levels are important for overall health and well-being.

Benefits of the vitamin B12 active test 

  • Results within 3 working days 
  • During a single blood draw, we can analyse this parameter along with a range of additional biomarkers. Explore our Product Configurator.
  • Find out if you have sufficient vitamin B12 levels 
  • It is essential for the body, it is not formed in the body and needs to be taken from the diet 
  • Vitamin B12 deficiency can lead to fatigue, nerve damage and anaemia
  • It is part of a vitamin test or vitamin and mineral test 

Notice

Laboratory test results must always be interpreted in the context of the patient’s medical history, clinical condition, and the results of other laboratory and diagnostic tests. Deviations from normal values are not sufficient on their own to establish a diagnosis, and values within the normal range do not always mean that a disease is absent. It is advisable to consult a doctor about the results.

Collection instructions

Please read these instructions carefully well in advance of the collection.

Bring a valid ID (ID card or passport) to verify your identity.

Testing procedure

How takes place Vitamin B12 active

Your journey to better health starts here — simple, clear, and tailored for you.

1

Choose the right test for you

Explore our wide selection of lab tests tailored to your symptoms, lifestyle, or specific parameters. Find exactly what you need — quickly and easily.

2

Book online in just a few clicks

Select a convenient time at one of our 41 collection points and pay securely by card. The whole process takes just minutes.

3

Visit your chosen collection point

Arrive at your selected location at the scheduled time. The sample collection is fast and hassle-free.

We’ll collect: blood.

4

Expert laboratory analysis

Your sample is analyzed in top-tier, accredited labs using state-of-the-art technology. Results are available within 3 business days.

5

Get your results online

Access your results safely and securely in your personal account. Clearly presented and easy to understand.

What interests you about the Vitamin B12 test?

How is vitamin B12 deficiency manifested?

Lack of B12 can lead to insufficient production of red blood cells, which reduces oxygen transfer. Insufficient oxygen is manifested by muscle weakness, numbness, nausea, weight loss, irritability, fatigue and increased heart rate.

EN: What is the function of vitamin B12?

The B12 vitamin complex plays, for example, an important role in hematopoiesis (involved in the production of red blood cells), is essential for the development of the central nervous system in childhood, participates in the production of nucleic acids and acts anabolics.

How to supplement vitamin B12 quickly?

The body cannot produce vitamin B12, so you must supplement it with food or supplementation. The richest sources of vitamin B12 are offal (liver and kidney), sardines, beef, tuna, yeast, salmon, cow's milk, dairy products and eggs. In case of suspicion of vitamin B12 absorption disorder, consultation with a doctor is necessary.

Which foods contain vitamin B12?

The richest sources of B12 are offal (liver and kidneys), sardines, beef, tuna, yeast, salmon, eggs and cow's milk. Because reliable plant sources of B12 are limited, vegans are more likely to be advised to take B12 supplements or consume fortified foods.

Customer reviews

4.97 stars out of 67 ratings

67 customer reviews

5
(65)
4
(2)
3
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2
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1
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· 5/5
Icon verified customer Verified customer
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Veľmi pekne ďakujeme za pozitívne hodnotenie! 😊
· 5/5
Icon verified customer Verified customer
Perfektné. Ja mam strach z odberu krvi z detstva ale pani bola veľmi milá a skoro to vôbec nebolelo a trvalo to cele asi 10 minút. Maximálna spokojnosť 😁👍🫰
Full review
View answer from Unilabs Online 🧡
Veľmi pekne ďakujeme za pozitívne hodnotenie! 😊
· 5/5
Icon verified customer Verified customer
Full review
View answer from Unilabs Online 🧡
Veľmi pekne ďakujeme za pozitívne hodnotenie! 😊
· 5/5
Icon verified customer Verified customer
Full review
View answer from Unilabs Online 🧡
Veľmi pekne ďakujeme za pozitívne hodnotenie! 😊
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