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  • Packaging of the Selenium Test from Cerascreen
  • Contents of the Selenium Testkit from Cerascreen: Packaging, instructions, lancets, plaster, dry blood card, disinfection wipe, return envelope
  • Woman looks at smartphone showing results of Selenium Test
Selenium Test
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Selenium Test

£69.90
Free shipping as of £90,00
Delivery in 2 - 5 days
Quality tested by cerascreen
420,000+ satisfied customers
Please only take and send in your sample between Sunday and Tuesday and take into account any public holidays.
About

About the test

Fatigue, muscle weakness, depressive moods and thyroid illnesses are possible symptoms of a selenium deficiency. But, on the other hand, too much selenium can be toxic.

Find out about your selenium levels now: with the cerascreen® Mineral Test, you will find out the concentration of zinc, magnesium and selenium in your blood. This way, you can identify a potential mineral deficiency and correct it in a targeted manner.

Selenium Test

  • Take a sample comfortably and easily at home
  • Receive an analysis from a medical diagnostics laboratory
  • Save time: no doctor’s surgery, no waiting time
  • Enjoy recommendations that are easy to implement
  • Receive your result within 5 to 7 working days after sample’s arrival in the laboratory
Benefits

Benefits of the Selenium Test

If you want to optimise your selenium levels, you should first find out the current concentration of selenium in your blood. This is because too much selenium can also be harmful.You can take a blood sample for the cerascreen® Mineral Test in the convenience of your own home with the test kit and instructions provided.Benefit from our expertise: cerascreen® is the market leader for medical sampling and test kits in Europe, with eight years of experience in test development and analyses. We have developed more than 50 approved send-in test kits (medical devices), evaluate around 150,000 samples annually and serve 19 countries.
Results
Results Selenium Test

Result of the Selenium Test

As soon as your sample has been analysed, you will receive a notification via the My cerascreen® app or your user account on our website for your test results. You can view your results on your smartphone, tablet or computer; you can also print them out.

Find out your blood levels of selenium as well as magnesium and zinc in the laboratory analysis. With comprehensive health advise, learn more about the important role of selenium in your body and how you can address mineral deficiencies with your diet and the right supplements.

Questions

Frequently asked questions about Selenium Test

Why should I test my selenium levels?

Selenium enters our food via the soil. But in Europe, there has been less and less selenium in the soil for some time, which affects the selenium content of our food. Experts therefore assume that many people do not consume enough selenium.

As with other minerals, however, it is quite possible to cause selenium poisoning through an overdose. Therefore, a test is advisable before you turn to food supplements.

A blood test such as the cerascreen Mineral Test helps you to check your selenium levels. With the test result, you can then look at changing your diet or taking supplements.

The test also reveals the concentration of magnesium and zinc in your blood.

Who should do the test?

It is worthwhile for many people to check their blood for a possible deficiency. It is not always possible to get enough selenium through our diets, and the symptoms of a deficiency are usually difficult to identify.A selenium deficiency test is particularly useful if you belong to one of the risk groups:

  • Smokers
  • People with an alcohol addiction
  • People with chronic bowel conditions
  • Women who breastfeed for a very long time
  • Vegetarians and vegans

How does the test work?

For the Mineral Test, take a small blood sample from your fingertip using a lancet. Send the sample in a tube by return envelope to a specialised diagnostic laboratory.

The diagnostic laboratory then analyses the concentration of the minerals magnesium, selenium and zinc in your blood.

What does my results report tell me?

The detailed result report contains the measured values retrieved from the laboratory analysis.

You will learn how high the concentration of the mineral selenium is in your blood. The value is measured in micrograms per litre (μg/l).

You will also learn how much magnesium in milligrams per litre (mg/l) and zinc in in millimoles per litre (mmol/l) were detected in your blood.

You will receive reference values – that is, ranges defined by the laboratories within which your mineral concentrations should ideally be.

The report also provides you with valuable information on selenium, selenium deficiency and the other minerals. You will learn how to optimise your diet and supplement intake to improve your mineral levels through clear recommendations.

What is selenium?

Selenium is an essential mineral. This means that we have to take selenium with our food because we need it to carry out important functions in our bodies. There are usually 13 to 30 milligrams of selenium stored in the body, much of it in the muscles and thyroid gland.

Processes in the body in which selenium is involved include:

  • Strengthening of the immune system
  • Production of thyroid hormones (together with iodine)
  • Function of the nervous system
  • Sperm production
  • Binding and elimination of heavy metals such as lead

What causes a selenium deficiency?

A selenium deficiency most often affects people whose body’s absorption of the mineral is impaired. This can be caused, for example, by chronic inflammatory bowel diseases. Other diseases that significantly increase the need for selenium include cystic fibrosis and kidney diseases that require long-term dialysis.Vegetarians and vegans, for example, should also pay attention to their selenium levels. Because of poor selenium concentration in the soil these days, plant-based foods often contain an insufficient amount of the mineral. Animal products, on the other hand, often contain a lot of selenium because animal feed is enriched with it. However, low selenium levels can also occur in a balanced diet of animal products. 

What are the symptoms of a selenium deficiency?

Selenium has functions in very different places in the body. Therefore, a deficiency can also manifest with different symptoms:fatiguemuscle weakness and joint painweakened immune systemdepressive moods and anxietydisorders of the thyroid gland, liver and heart muscle

    Which foods contain selenium?

    Selenium is found in many different plant-based foods and animal products. However, selenium content varies greatly from one food to the next, as it depends on how selenium-rich the soils are in the regions where they are obtained.Larger amounts of selenium are found mainly in animal products – for example in tuna, mackerel, pork liver, eggs and Emmental cheese.The selenium content in coconuts and Brazil nuts has long been considered particularly high. In some cases, a single Brazil nut is said to be able to cover the entire daily requirement of selenium. Today, however, we know that the selenium content in Brazil nuts can vary greatly. Brazil nuts are also often contaminated with radioactivity – you should not consume more than two Brazil nuts a day.

    What leads to selenium poisoning?

    Not only can your body get too little selenium, it can also get too much. Selenium poisoning (also called selenosis) usually occurs when people repeatedly take in too much of the mineral over a long period of time.The cause is often selenium supplements that are taken even though there is already enough selenium present in the body. As a rule, selenium excess is not achieved through food.

    Possible symptoms of selenium poisoning are:Gastrointestinal complaints (nausea, diarrhoea).Fatigue, irritability and memory problemsMuscle weaknessHair lossChanges in the nails, sometimes even loss of nails

      For whom is the test not suitable?

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

      People with contagious diseases, like hepatitis, are not allowed to take the Mineral Test.

      Pregnant and  breastfeeding women should only carry out the Mineral Test under medical supervision. The reference values and recommendations do not apply to them, so they should obtain recommendations on the test result from their doctor.

      The Mineral Test is not suitable for children under the age of 18.

      The test is not intended for diagnosing diseases. For example, if you experience severe depression or acute pain, you should consult a doctor.

      Why are children under 18 not allowed to take the test?

      Our tests are not suitable for underage children and adolescents under the age of 18. Under 18s cannot activate the tests online and therefore cannot receive a test result. We ask that you do not administer the tests to your children either.

      Children and adolescents need much closer supervision and counselling regarding medical tests and their interpretation. Testing with lancets and chemicals is not without risk and would need to be closely supervised by guardians. In addition, the reference values we give are always based on adult data. In the case of children, the risk of misinterpreting the results would be very high.

      We want to fulfil our responsibility as a provider of medical products and ensure that children and adolescents are not unsettled by measurement results that are difficult for them to interpret. Since we cannot control whether the minors' legal guardians actually consent to the test being carried out and supervise them, we exclude tests for under 18s altogether.

      If you are under 18 and have purchased a test, please contact our customer support.

      Why does it take up to a week for the sample to reach the lab?

       

      Please bear in mind that your results will not be analyzed in the UK but in Germany. For that reason, it can take up to a week for the sample to arrive at the lab. This does not affect the stability of the samples, as the method we are using is optimized for long transports.

      Initially, your sample is sent to our collection center in the UK. From there, it is shipped to our central sample sorting facility in Germany, which then distributes samples to our partner laboratories. Once your sample is analyzed there, you will receive a notification and can access your result online.

      Please check your mailbox regularly. We will notify you as soon as your sample is sent, arrives, or is analyzed.

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      This is how it works

      1. Test at home

      Your test kit contains everything you need to draw a small sample of blood from your fingertip. Then send the sample back to us free of charge in the enclosed return envelope.

      2. View results online

      After the evaluation in the medical specialist laboratory, you will have online access to your personal result report.

      3. Act

      Your access to the test results and the evidence-based findings and tips to improve your health: the my cerascreen® user profile on our website or our app.

      What our customers say about us