What is Vitamin-B12? Why Vitamin B12 test is Performed?

How to Test for Vitamin B12 Deficiency?

Vitamin B12 is an essential nutrient that plays a crucial role in the body's overall health and well-being. It is responsible for the production of red blood cells, DNA synthesis, and proper functioning of the nervous system. However, many people may not be aware of the importance of maintaining optimal levels of vitamin B12 in their bodies. So, when should you consider getting your vitamin B12 levels tested? Let's find out.

What is Vitamin B12?

Vitamin B12 is an essential nutrient helping make DNA, nerves, red blood cells. Deficiency can damage health.

Why Test B12 Levels?

Testing checks for deficiency if having symptoms like fatigue, memory issues, neurological conditions or at high risk like vegans and elderly.

How to Test for Vitamin B12 Deficiency?

To test for vitamin B12 deficiency, healthcare providers typically perform a complete blood count (CBC) and a vitamin B12 blood test. A person is diagnosed with vitamin B12 deficiency if the amount of vitamin B12 in their blood is less than 150 picograms per milliliter (pg/mL).

It's also important to consider symptoms and risk factors when diagnosing vitamin B12 deficiency. If the cause of the deficiency can be identified, additional tests may be necessary, such as a test for pernicious anemia.


What Does the Test Involve?

A blood sample is taken to measure circulating vitamin B12 levels. No prior preparation needed.

#vitaminB12 #B12test #deficiency

When to Get Vitamin B12 Tested?

Vitamin B12 is an essential nutrient that plays a crucial role in the body's overall health and well-being. It is responsible for the production of red blood cells, DNA synthesis, and proper functioning of the nervous system. However, many individuals may have a deficiency in this vital vitamin, which can lead to various health issues. To diagnose and monitor such deficiencies, healthcare professionals often perform a Vitamin B12 test. But why is this test necessary? Let's explore the reasons behind the Vitamin B12 test.

If you experience fatigue and weakness

One of the common symptoms of vitamin B12 deficiency is fatigue and weakness. If you often feel tired, even after getting enough sleep, it may be a sign that your body is not getting enough vitamin B12. In such cases, it is advisable to get your vitamin B12 levels tested to determine if supplementation is necessary.

If you have a vegetarian or vegan diet

Vitamin B12 is primarily found in animal-based foods such as meat, fish, eggs, and dairy products. If you follow a vegetarian or vegan diet, you may be at a higher risk of vitamin B12 deficiency. Plant-based sources of vitamin B12 are limited and may not provide an adequate amount of this essential nutrient. Therefore, it is recommended to get your vitamin B12 levels tested regularly to ensure you are not deficient.

If you have gastrointestinal disorders

Gastrointestinal disorders such as Crohn's disease, celiac disease, or inflammatory bowel disease can affect the absorption of vitamin B12 in the body. These conditions can damage the lining of the intestines, leading to malabsorption of nutrients, including vitamin B12. If you have any gastrointestinal disorders, it is important to monitor your vitamin B12 levels and consider supplementation if necessary.

If you are over the age of 50

As we age, our bodies may become less efficient at absorbing vitamin B12 from food. This can increase the risk of vitamin B12 deficiency, especially in individuals over the age of 50. Regular testing of vitamin B12 levels can help identify any deficiencies early on and allow for appropriate intervention.

If you are pregnant or breastfeeding

Pregnant and breastfeeding women have higher nutritional requirements, including vitamin B12. Vitamin B12 is crucial for the development of the baby's brain and nervous system. If you are pregnant or breastfeeding, it is important to get your vitamin B12 levels tested to ensure you are meeting the increased demand.

If you have certain medical conditions

Certain medical conditions, such as pernicious anemia, diabetes, or kidney disease, can increase the risk of vitamin B12 deficiency. If you have any underlying medical conditions, it is advisable to consult with your healthcare provider and get your vitamin B12 levels tested regularly.

In conclusion, getting your vitamin B12 levels tested is important if you experience fatigue and weakness, follow a vegetarian or vegan diet, have gastrointestinal disorders, are over the age of 50, are pregnant or breastfeeding, or have certain medical conditions. Regular testing can help identify any deficiencies and allow for appropriate supplementation or dietary adjustments to maintain optimal vitamin B12 levels in the body.

Why the Vitamin B12 Test is Performed?

If low, doctors may recommend dietary changes or B12 injections to restore optimal levels. Early detection enables timely treatment.

Identifying Deficiencies

The primary reason for performing a Vitamin B12 test is to identify deficiencies in the body. A deficiency in Vitamin B12 can lead to symptoms such as fatigue, weakness, tingling sensations, memory problems, and even depression. By conducting a blood test, healthcare providers can determine the levels of Vitamin B12 in the body and identify if there is a deficiency.

Assessing Overall Health

The Vitamin B12 test is not only used to identify deficiencies but also to assess an individual's overall health. Low levels of Vitamin B12 can be an indication of an underlying health condition, such as pernicious anemia or gastrointestinal disorders that affect the absorption of this vitamin. By performing the test, healthcare professionals can gain insights into a person's overall health status.

Monitoring Treatment

For individuals with a Vitamin B12 deficiency, the test is crucial in monitoring the effectiveness of treatment. Once a deficiency is identified, healthcare providers may recommend Vitamin B12 supplements or dietary changes to increase the levels of this nutrient in the body. Regular testing allows them to track the progress of the treatment and make necessary adjustments if needed.

Preventing Complications

Undiagnosed and untreated Vitamin B12 deficiency can lead to severe complications. Prolonged deficiency can cause irreversible damage to the nervous system, leading to neurological disorders. It can also affect the production of red blood cells, leading to anemia. By performing the Vitamin B12 test, healthcare professionals can detect deficiencies early on and prevent the development of these complications.

Tailoring Dietary Recommendations

Some individuals may have difficulty absorbing Vitamin B12 from their diet due to certain medical conditions or surgeries. In such cases, healthcare providers may recommend alternative methods of supplementation, such as intramuscular injections or nasal sprays. The Vitamin B12 test helps in determining the appropriate method and dosage of supplementation based on individual needs.


Monitoring your vitamin B12 status ensures sufficient levels, protecting neurological and cardiovascular health. healthcare nt sickcare makes testing easy.

In conclusion, the Vitamin B12 test is performed to identify deficiencies, assess overall health, monitor treatment progress, prevent complications, and tailor dietary recommendations. If you experience symptoms of Vitamin B12 deficiency or have underlying health conditions that may affect its absorption, consult with a healthcare professional who can determine if a Vitamin B12 test is necessary for you.

All material copyright healthcare nt sickcare. Terms and Conditions and Privacy Policy of use apply. The contents of this website are for informational purposes only. Always seek the advice of your physician or other qualified health providers with any questions you may have regarding a medical condition. Our content is inspired by various online articles and our own offline experiences. It is meant to provide public awareness and regular updates to the clientele of healthcare nt sickcare.
© healthcare nt sickcare and healthcarentsickcare.com, 2017-Present. Unauthorized use and/or duplication of this material without express and written permission from this site’s author and/or owner is strictly prohibited. Excerpts and links may be used, provided that full and clear credit is given to healthcare nt sickcare and healthcarentsickcare.com, with appropriate and specific direction to the original content.
Back to blog

Leave a comment

Please note, comments need to be approved before they are published.