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Vitamin Deficiency Test

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Do you experience symptoms that could indicate a vitamin deficiency? This home test checks the level of vitamin B12, vitamin D, and folic acid (vitamin B9) in your blood. The collection process is simple and can be done from home before the sample is examined by a certified laboratory.

Test method: Finger prick test

What do we test for?

Vitamin B12 Vitamin B9 (Folic Acid) Vitamin D
Instructional video
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  • Analyzed in ISO-certified laboratory
  • Test results often available within 1 business day after reaching laboratory
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About the test
Summary of Biomarkers
About the test

Test result mockup

What is the Vitamin Deficiency Test?

Do you want extra insight into your vitamin levels? This blood test checks the level of several essential vitamins that have important functions in your body. It is possible that despite a healthy and varied diet, people still have deficiencies of crucial vitamins. These deficiencies can be reversed with changes in diet or nutritional supplements. However, the first step is gaining insight into whether you are dealing with a vitamin deficiency or not. This blood test measures the concentration of vitamin B12, vitamin D and folic acid in your blood. Based on the results of this test, it can be determined whether there is a deficiency of these vitamins or not.

What’s in the test kit?

The test kit contains instructions for use, lancets to collect a few drops of blood, a blood collection tube, alcohol wipes, band-aids, a protective transport bag and a return envelope to send your sample to a certified laboratory.

What is the Homed-IQ testing process like?

Homed-IQ’s vitamin tests come with everything you need to successfully take a blood sample at home. Simply activate your test and follow the provided instructions to successfully collect the sample and then send it to our certified laboratory using the prepaid shipping label. The results will be available within a few days.


Vitamin B12
Symptoms of Vitamin B12 deficiency:

  • Fatigue
  • Muscle pain and loss of strength in muscles
  • Shortness of breath and tightness
  • Depression and confusion
  • Concentration and memory problems
  • Aphasia: not being able to find the right words


Vitamin D
Symptoms of Vitamin D deficiency:

  • Problem sleeping
  • Lethargy and fatigue
  • Depression
  • Joint pain
  • Muscle pain
  • Hair loss
  • Osteoporosis

Folic Acid
Symptoms of Folic Acid deficiency:

  • Fatigue
  • Intestinal disorders
  • Decreased appetite
  • Weight loss
  • Increased susceptibility to infections
Summary of Biomarkers

Vitamin B12

About ten percent of people living in Western countries suffer from a vitamin B12 deficiency. This is expected to be increasingly associated with the growing number of people who follow a vegetarian or vegan diet, as vitamin B12 is primarily found in animal products, such as milk, meat, fish and eggs. Because your body stores vitamin B12, you often only notice after a few months that you have a possible deficiency. If you are deficient in vitamin B12, you can develop a form of anemia with symptoms such as fatigue, shortness of breath, chest pain and a lack of appetite. Elderly people with a vitamin B12 deficiency may also have problems with their memory. If you want to test specifically for anemia, you can do so with Homed-IQ’s Anemia Blood Test. If you would like to test your active Vitamin B12 levels, you can do so with Homed-IQ’s Active Vitamin B12 (Holo-TC) Test.

Vitamin D

Vitamin D is a fat-soluble hormone that plays a role in calcium and phosphate absorption in the body. Most vitamin D is produced by the human body itself. This happens when your skin is exposed to UV rays from the sun. Vitamin D can also be found in a number of foods of animal origin, such as egg yolks, fatty fish, and dairy products. Vitamin D can also be found in mushrooms and fortified foods.

Vitamin D plays an important role in your body. It ensures the growth and maintenance of strong bones and teeth, ensures the functioning and recovery of your muscles, and promotes proper functioning of your immune system. You can also test your vitamin D levels using Homed-IQ’s Vitamin D Test.

Folic acid

Folic acid is a vitamin that your body cannot make on its own. While most people should obtain enough folic acid by eating a varied diet, according to research a substantial fraction of the Western population has a folic acid deficiency. Folic acid is mainly found in green vegetables, fruits and whole grains, but also in milk products. Common symptoms of folic acid deficiency are a loss of appetite, weight loss and/or fatigue. Adults need 300 micrograms of folic acid per day. Regardless of diet, pregnant women are advised to take at least 400 micrograms every day. It is also possible to test your folic acid levels with Homed-IQ’s Folic Acid Test.


How soon will I receive the results of this vitamin home test?

Once you have collected your sample and mailed it to our laboratory, it generally takes a few working days before you receive the test result. As soon as your test sample arrives at our laboratory you will receive a notification by email. Once your test result is ready, you will receive a text message and an email from us with a link to your test result. We will therefore keep you well informed throughout the entire testing process!

What does the result of this test mean?

This test measures the vitamin B12, vitamin D and folic acid levels in your blood. Based on the test result, it can be determined whether there is a deficiency of one of these crucial vitamins. You can then, if necessary, make adjustments to your diet or take specific supplements to remedy the vitamin deficiency.

Is it wise to take supplements based on the test result?

If the test result shows that you are deficient in certain vitamins, it is advisable to first look critically at your diet. Usually a varied and healthy diet provides adequate quantities of vitamins and minerals. If you cannot get enough vitamins from sunlight and/or your diet, you can go to a drugstore for vitamin supplements. For the Reference Intake for vitamin D, we would like to refer you to https://www.nhs.uk/conditions/vitamins-and-minerals/vitamin-d/

Frequently asked questions

What is the cause of vitamin deficiencies?

Usually the cause of vitamin deficiency is related to diet. For Vitamin D, too little sunlight plays a major role in deficiency. Additionally the cause of a vitamin deficiency can also be due to an illness, alcoholism or the use of certain medication.

What are the risks of vitamin deficiencies?

A vitamin deficiency can lead to various unpleasant symptoms. If you have a long-term vitamin deficiency, various conditions can arise, including anaemia and osteoporosis. But not only vitamin D deficiency can lead to unpleased symptoms. A surplus of vitamin D can also lead to undesirable symptoms. To learn more, visit our article “How much vitamin D is too much?”.

What percentage of the population has a vitamin deficiency?

Vitamin B12 and folic acid deficiency occurs in about 10 to 15 percent of the Dutch population. This number is much higher for vitamin D. In the winter period, 59 percent of the population or more is deficient in vitamin D. In the summer period, this value falls to 35 percent (Boonman- de Winter et al., 2015).

How do you know if you have a vitamin deficiency or not?

Many people suffer from a vitamin deficiency without knowing it. This can manifest itself as symptoms of fatigue, insomnia, listlessness or concentration problems, however there may not be any obvious symptoms at all. With a vitamin deficiency, your body lacks certain essential nutrients. As a result, it does not function properly and you may not feel your best.

What is the advantage of Homed-IQ's vitamin test?

The biggest advantage of testing via Homed-IQ is that you can easily test yourself from home and you will quickly receive a reliable result with a clear explanation of its meaning. This is because Homed-IQ aims to give everyone a better understanding of their health. With this testing method you will no longer have to visit your doctor and/or a testing center, leaving you time for other things.

How reliable are Homed-IQ's vitamin tests?

The sensitivity and specificity of this blood test are almost 100%. Sensitivity is the ability of a test to correctly identify test users with a disease. Specificity is the ability of a test to correctly identify test users without the disease.

Is this vitamin test more reliable than a rapid self-test?

Yes. At Homed-IQ you will receive a test report containing a quantitative result, which you can then take action on to improve your health status. Most self-tests available at drugstores are not only less reliable, but also often only give a positive or negative result and this provides insufficient information about the specific vitamin concentration in the blood.

Can I also test for other vitamins or minerals?

This test measures your folic acid, vitamin B12 and vitamin D levels. If you are interested in our other tests, click here.

Is this vitamin test also useful for vegetarians and vegans?

Yes. When you eat plant-based, it is advisable to keep a close eye on your vitamin levels. This is especially true for vitamin B12, as it is a common vitamin deficiency among vegetarians and vegans. 

Is it possible to take Homed-IQ vitamin tests at home?

Yes, all our self-sampling tests are scientifically certified and validated for home use.

Will my health insurer reimburse this vitamin test?

We currently do not have any agreements with health insurers. At Homed-IQ we therefore keep our tests as affordable as possible to give everyone the opportunity to get a better understanding of their health.

Has this vitamin test been reviewed by a doctor?

Our self-sampling tests are scientifically certified and validated for home use. The tests have been validated by our lab to see if the results of finger prick samples taken at home are as accurate as samples taken in a testing center or doctor’s office. It is only allowed to sell validated medical tests. Each sample is processed in a laboratory that is ISO15189 certified, which allows us to guarantee the reliability of the tests.

How does it work?

Order your test
After you have placed the order, your test kit will be delivered within a few days in discreet packaging.
Activate and take your sample

After creating an account and activating your test online, collect the test sample and return it to the lab using the prepaid shipping label. Homed-IQ tests can be placed in a regular mailbox.

Receive your test result

A certified laboratory will analyze your test. When ready, your results will be published to your account, including a PDF laboratory report that can be brought to your GP for follow-up care.

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