Iodine Deficiency Test

  • cerascreen - Blood test kit for iodine levels
  • Iodine Deficiency Test | cerascreen®
  • Iodine Deficiency Test

Iodine Deficiency Test

Urine test to check levels of iodine in the body 

Iodine deficiency has long been an overlooked health condition in the United Kingdom. There is too little iodine in the soil and thus also in most food. Even with iodised table salt, it can be difficult to get enough of the trace element. That is why you should consider checking your iodine levels.

With the cerascreen® Iodine Deficiency Test, you can determine the concentration of iodine per gramme of creatinine in your urine. In this way, you can detect a possible iodine deficiency and treat it in a targeted manner.

  • Take your sample at home – conveniently and discreetly
  • Receive a state-of-the-art laboratory analysis
  • Get an idea of whether you have an iodine deficiency or an excess
  • Benefit from ​​specific recommendations on how to promote a healthy thyroid
  • Receive the result within a few days after your sample’s arrival at the laboratory

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Information about the Iodine Deficiency Test

Benefits of the Iodine Deficiency Test

Iodine deficiency can lead to hypothyroidism in the long term, with possible symptoms such as weight gain, depressive moods and a goitre. If you know your levels, you can take countermeasures early on in the event of a deficiency.

Test yourself at home and save time. You don’t have to spend any time in waiting rooms at your doctor’s surgery. Instead, take your health into your own hands. You can take the sample comfortably and discreetly at home.

Benefit from our expertise: cerascreen® is the market leader for medical sampling and submission kits in Europe, with eight years of experience in test development and analysis. We have developed more than 50 approved send-in test kits (medical devices), evaluated 250,000 samples and serve 19 countries in Europe – and now the United States!

Results report of the Iodine Deficiency Test

As soon as your sample has been analysed, you will receive your results report via the My cerascreen® app or your user account on our website. You can easily view the report on your smartphone, tablet or computer and print it out, if required.

Find out in our laboratory analysis whether your iodine levels are within the recommended range. Find out how to counteract an iodine deficiency or excess through our clear recommendations for action. In the comprehensive health information we give you, you can read about what iodine does in the body and why it is so important for your thyroid gland.

FAQs about the Iodine Deficiency Test

  • Why take the Iodine Deficiency Test?

    In order to have enough iodine in your body, you must consume the trace element with your food. Iodine is found in fish, milk and eggs, among other things. However, many people today do not consume enough iodine – partly because the soil in some regions has become low in iodine. The result can be an iodine deficiency, which in turn can lead to hypothyroidism. This is why iodine is often added to table salt.

    You can counteract iodine deficiency relatively easily by changing your diet and specifically using iodised salt. However, too much iodine is also harmful and could lead to hyperthyroidism. Therefore, it is recommended that you check your own iodine levels with a test.

  • Who should take the Iodine Deficiency Test?

    Since iodine deficiency is widespread, it is recommended that everyone checks their own iodine levels.

    However, diet, lifestyle and other factors can also contribute to an increased risk of iodine deficiency. At-risk groups include pregnant women, smokers and people who live vegan or vegetarian lifestyles.

  • How does the Iodine Deficiency Test work?

    With the help of a collection cup and a transfer pipette, collect a small amount of urine. Next, send the urine sample in a sample tube to our medical specialist laboratory. A few days later, you will receive a notification by email that your results are ready. You will then find your personal results report in your cerascreen account by logging in on our website or via the My cerascreen app.

  • What does the results report tell me?

    Your results report tells you the iodine value measured in your urine. For comparison, you will find a table with reference ranges. This way, you can see whether your iodine levels are within the optimal range or whether they are below or above it.

  • What recommendations will I receive?

    In the results report, you will learn how you can counteract iodine deficiency or excess. Diet plays an important role – often, for example, iodine levels that are too low can be treated by consciously using iodised salt.

  • What is iodine?

    Iodine is an essential trace element. This means that we must consume it through the food we eat. Most of the iodine in our body is found in the thyroid gland.

    Our thyroid gland needs iodine to work properly. With the help of iodine, it produces important thyroid hormones; these hormones are called T3 and T4, and they play an important role in our nervous system, bone health and energy metabolism, among other things.

  • How do I provide my body with enough iodine?

    Foods with a high iodine content are mainly fish, seafood and dairy products. Some foods, such as cabbage, mustard, onions and garlic, interfere with iodine absorption in our body. You should not eat them together with iodine-rich meals if you are iodine deficient.

    Iodised salt makes it possible to cover your iodine requirements very quickly. But be careful – according to recommendations from the World Health Organization, you should not eat more than six grammes of salt per day – a diet that is too salty promotes high blood pressure.

    Here are some examples of iodine-rich foods:

    – Saltwater fish such as tuna, cod, herring and pollock

    – Milk and dairy products

    – Eggs

    – Iodised table salt

  • Why do people become deficient in iodine?

    Iodine deficiency can be the result of a diet low in iodine. This is more often the case with vegans and vegetarians, for example.

    There are also circumstances that lead to our bodies needing more iodine or not optimally absorbing iodine from the food we eat. Possible causes of low iodine levels are:

    – Pregnancy, when women should up their iodine consumption

    – Smoking

    – Gastrointestinal diseases

  • How do I know I’m deficient in iodine?

    Low iodine levels usually only become noticeable when you already have hypothyroidism. The clearest sign of this is a goitre, which is caused by the growing thyroid gland.

    Other symptoms of hypothyroidism include:

    – Sleep problems, tiredness and depression

    – Weight gain

    – Skin changes and water retention

    – Infertility

  • What are the symptoms of too much iodine?

    Too much iodine in our bodies can lead to hyperthyroidism. If the thyroid gland produces too many hormones, you might experience the following symptoms:

    – Gastrointestinal discomfort

    – Weight loss


    – Inner restlessness

  • Who should NOT take the Iodine Deficiency Test?

    The Iodine Test is not or only partially suitable for certain groups of people:

    People with infectious diseases, like hepatitis and HIV, may not use the IodineTest.

    People with haemophilia should not take the test.

    Pregnant and breastfeeding women should only take the Iodine Test under medical supervision. The given reference ranges and recommendations do not apply to people in this group; consult your medical professional for advice concerning your test results.

    The Iodine Deficiency Test is not intended for children under 18 years of age.

    The test is not intended for diagnosing illnesses or disease. For example, if you suffer from depression or are in physical pain, consult a doctor.

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