Magnesium, selenium and zinc are minerals vital for your physical and mental fitness. A deficiency can have serious consequences—such as a weakened immune system. The cerascreen® Mineral Blood Test helps you find out quickly and easily whether you are lacking in these minerals!
The cerascreen® Mineral Deficiency Test is a sample taking and mail in kit to determine the blood levels of magnesium, zinc and selenium. Take the sample conveniently and easily at home! The sample of human capillary blood will then be analysed in vitro in one of our certified medical partner laboratories. Receive your mineral levels test result within 2-3 business days after your sample arrived in the laboratory.
Determine your mineral blood levels conveniently at home

Quick: Only takes a few minutes

Pain-free and easy to perform at home

No doctor’s appointment necessary

Detailed results report

Phone hotline with experts

Free analysis in the specialised diagnostic laboratory within days
What does the Mineral Deficiency Test measure?
Your personal test results
As soon as your sample has been evaluated, you will be able to view your individual results report in the my cerascreen® mobile app or our secure online customer area where you can also print the report.
Result of laboratory analysis: Here are your blood values of the minerals zinc, magnesium, and selenium.
Individualised practical recommendations: We explain how you can compensate for deficient or excessive mineral values.
Important health information: Learn more about the effects and intake of zinc, magnesium and selenium.
Benefit from professional health advice
Do you still have questions about your test results? We offer free health advice from our nutritionist by telephone— in English. During your 15 minute coaching session, our nutrition expert will explain to you not just what your results mean, but also about health in general, test taking, and answer questions about further tests. Further Information can be sent to you by Email upon request. To book our free health advise please follow the link in your results report.
How the Mineral Deficiency Blood Test works

1. ake a blood sample
Using our test kit, you extract a few drops of blood from your fingertip painlessly.

2. Laboratory analysis
Laboratory analysis Send your sample to our laboratory in the enclosed return envelope. Your sample will be examined in the laboratory.

3. Detailed results report
After just a few days you will receive your results in a detailed results report.
Certified, reliable and accurate test results

We focus on delivering trustworthy and accurate results by working with the best accredited and certified laboratories that regularly participate in interlaboratory proficiency testing. Our goal is to always ensure a high level of quality and competency. All our partners are laboratories that provide extensive experience and are trusted as well as utilised by physicians all across Europe. Our setup of using anonymous Test-IDs ensures maximum data protection and privacy.
We use the highest certification standards for quality management:
- ISO 9001
- EN ISO 13485
- Interlaboratory proficiency testing
The Mineral Deficiency Test Kit consists of

- Several pages of illustrated instructions, explaining step by step how a blood sample is taken and how the test is performed
- Activation card with test ID for registration
- Disinfection cloth, swab, plaster, 2 lancets CE 0344, blood collection tube, transport tubes
- Pre-addressed and pre-paid return mailing envelope, which you can use to send your blood sample back to the laboratory free of charge using Royal Mail