The test will help in planning elimination diet to:

  • alleviate or completely eliminate bowel symptoms

  • improve quality of life

  • limit overloading the system with medications

  • reduce costs of treatment

We offer two types of tests: AlergenFood 90 for semi-quantitative analysis of antibodies to 90 food allergens in a serum sample, and AlergenFood 45, which is designed to test 45 food allergens.


It is used to measure the relative amounts of IgG antibodies specific for a particular food in human serum.

How the test works

Individual food allergens are immobilized separately on microtiter plates. The allergens are allowed to react with specific antibodies in the patient’s serum. Enzyme-conjugated antibodies react with the allergen-antibody complex. A color is developed upon addition of a substrate that reacts with the coupled enzyme. The intensity of the color is proportional to the concentration of IgG antibody specific to the allergen.

The test is performed to

determine whether a persons suffers from type 3 food allergy and to develop an elimination diet which plays a crucial role in the treatment of chronic symptoms associated with IgG mediated food allergy.

The test is recommended for persons with:

- chronic gastrointestinal discomfort (irritable bowel syndrome, Crohn's disease, diarrhea, bloating, constipation, nausea, belching, feeling of fullness)
- skin conditions such as dry skin, acne, itching and atopic dermatitis
- migraines, dizziness
- high blood pressure
- type 2 diabetes
- chronic fatigue syndrome
- degenerative joint diseases
- muscle aches
- mood swings, depression, hyperactivity
- red and watery eyes

  • Unique

    Detects 90 or 45 different food allergens

  • Innovative

    Requires only 100 µl of human serum to test 90 food allergens

  • Reproducible

    Performed with ELISA immunoenzymatic tests

  • Professional

    Performed in a professional laboratory
    FDA, ISO and CE certified

Food allergy

is defined as an abnormal response to a food component triggered by the immune system. „Food can heal or be toxic” (Hippocrates).

It is a common knowledge that food or food additives may be responsible for many chronic diseases. Foods that typically produce such problems are: cow’s milk, eggs, wheat, corn, chocolate, nuts, soy, or shellfish, and can be explained by the mechanism of delayed food allergy (type III). The consumption of food allergen triggers a delayed response of the immune system, thus leading to chronic problems and diseases.


A characteristic feature of type III food allergy is that it is a delayed defensive response that may occur 8 to 72 hours after food consumption. Many patients do not realize that their problems could be linked to allergy, as symptoms can be produced even after 3 days of consumption. Because this reaction is delayed it may remain undiagnosed throughout life, and the patient seeks resolution to their symptoms without success. Meanwhile, therapeutic success largely depends on observing dietary restrictions that are based on the results of IgG level testing to selected foods. The most frequently occurring symptoms of type III food allergy are related to gastrointestinal tract and involve chronic gastrointestinal problems: irritable bowel syndrome, stomachache, nausea, diarrhea, flatulence, constipation, belching, feeling of fullness.

Type III food allergy is also associated with: chronic fatigue syndrome, bone and joint pain, skin changes, migraine, overweight and obesity, high blood pressure and type II diabetes.

Type III food allergy occurs when not completely digested food molecules penetrate through the intestinal wall and enter the circulation where they are identified as foreign elements. The bowel of a healthy man is lined with the mucous membrane which acts like a tough and stable defensive system and stands at the forefront of pathogens elimination. However, factors like infections, stress, alcohol abuse, viral or bacterial infections, drugs (e.g. antibiotics or anti-inflammatory agents) disturb this equilibrium and increase intestinal permeability letting larger, not fully digested food fragments pass to the bloodstream.

Increased intestinal permeability leads to continuous intensification of allergy-related symptoms, and is accompanied by the increased levels of IgG antibodies to food allergens. IgG antibodies bind to the antigen, i.e. the food particle, forming immune complexes that can trigger the inflammatory response. Systematic consumption of harmful foods leads to continuous activation of the immune system and development of chronic inflammatory condition.

The inflammatory process can develop anywhere in the body where the immune complexes are deposited. If, for instance, the complexes are deposited in the cerebral epithelium they may cause migraine; if they are deposited in the intestine, with time they may lead to the development of irritable bowel syndrome.

Therapy is concentrated on following dietary restrictions that are based on the results of IgG level testing to selected foods.

Scientific evidence

An increasing number of researchers recognize IgG-mediated food hypersensitivity as a potential cause of chronic conditions such as irritable bowel syndrome, migraines, asthma and obesity.

Test results

It seems that in many cases chronic gastrointestinal problems, including irritable bowel syndrome, are caused by food intolerance. There is mounting evidence that food intolerance, defined as the presence of specific IgG antibodies, is linked to irritable bowel syndrome. Studies have demonstrated that bowel symptoms in IBS patients can be alleviated with proper diet.

Eliminating from diet foods identified by AlergenFood90 test, that detects IgG antibodies, by IBS patients for a period of 12 weeks resulted in:


  • the overall efficacy of dietary elimination therapy
    89% of patients
  • reduced intensity of symptoms
    23% of patients
  • alleviated primary symptoms
    66% of patients



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Diagnosis S.A.

ul. Andersa 38a, 15-113 Białystok

Office: +48 85 732 22 34
Phone:+48 609 600 271

Monday - Friday: 8:00 - 16:00
Saturday - Sunday: closed

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