Histamine Intolerance Test

  • Histamine Intolerance Test
  • Histamine Intolerance Test
  • Histamine Intolerance Test

Histamine Intolerance Test

Headaches, nausea, irregular heartrate, abdominal pain, gas and skin rashes as well as itching may be signs of histamine intolerance.

Histamine Intolerance is an intolerance of histamine consumed through food. It is caused by a deficiency of the histamine-degrading enzyme diamine oxidase (DAO), or an imbalance of histamine and DAO. As far as experts are concerned, it is not normally caused by genetic factors but is an acquired disease, often identified as a secondary condition to another.

Check your histamine tolerance easily and conveniently from home. The test is used to determine the concentration of diamine oxidase (DAO) in your blood. The histamine intolerance test includes free return mailing and evaluation in our specialised diagnostic laboratory as well as a detailed and personalised results report.

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Determine your diamine oxidase (DAO) conveniently at home


Symptoms of a histamine intolerance

  • Gastrointestinal disorders
  • Headaches
  • Menstruation problems
  • Asthma
  • Nausea when travelling by car
  • Cardiovascular problems

Histamine plays a role in the body’s defense against unwanted substances. An intolerance is a trigger for allergic reactions and often occurs in people with a disturbed intestinal barrier. Histamine is a neurotransmitter broken down by the enzyme diamine oxidase (DAO). If the intestine is weakened or ill, the production of diamine oxidase may be too low. 

Please note 
that a relevant result is only guaranteed if you eat a varied diet prior to taking the sample (for approx. 2 weeks). Please do not avoid or reduce your consumption of food containing histamine. Please do not take antihistamines.

Your personal test results


Sample Report

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: You will find out more about your concentration of diamine oxidase (DAO), which may indicate histamine intolerance.

Individualized Practical Recommendations: We explain how to avoid foods that cause discomfort in case of histamine intolerance.

Important health information: Read more about what histamine does to your body—and how it is related to the DAO enzyme.

View Sample Report

Free health advise

Do you still have questions about your test results? We offer free heatlh 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 Histamine Intolerance Test works

Certified, reliable and accurate

cerascreen laboratory

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 histamine 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

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