What is the Food Intolerance Panel?

The Food Intolerance Panel is an advanced blood test that measures IgG antibody reactivity to a comprehensive range of foods and food-derived antigens. Unlike food allergy tests (IgE), this panel focuses on delayed immune responses, which may contribute to chronic inflammation and long-term symptoms.

This panel is based on the IgG Food MAP methodology and includes testing for:

• 190 individual food antigens across all major food groups

• Candida albicans

• Saccharomyces cerevisiae (yeast)

Foods assessed include:

• Dairy products (milk, cheese, casein, whey, yoghurt)

• Grains and gluten-related proteins (wheat, rye, barley, gliadin, quinoa, rice)

• Fruits and vegetables (including citrus, nightshades, cruciferous vegetables)

• Meat, poultry, fish, and seafood

• Nuts, seeds, and legumes

• Herbs, spices, teas, and miscellaneous food components

The test uses xMAP™ technology and can be performed via dried blood spot or venous blood sample.

Why do I need a Food Intolerance Panel?

Food intolerances are often difficult to identify because symptoms can appear hours or even days after consumption. Unlike allergies, reactions are not immediate and may affect multiple systems in the body.

You may benefit from this test if you experience:

• Chronic bloating, gas, or digestive discomfort

• Irritable bowel–type symptoms

• Unexplained fatigue or low energy

• Headaches or migraines

• Skin issues such as eczema or acne

• Joint or muscle pain

• Brain fog or poor concentration

• Symptoms that persist despite dietary changes

This test is commonly used to support elimination or rotation diets, helping reduce inflammatory food exposure.

Benefits of the Food Intolerance Panel

1. Extensive food coverage
   Screens nearly all commonly consumed foods.

2. Identifies delayed immune reactions
   Targets IgG-mediated responses, not IgE allergies.

3. Supports personalised nutrition plans
   Guides elimination and reintroduction strategies.

4. Useful for chronic, unexplained symptoms
   Especially when standard tests are inconclusive.

5. Includes yeast and candida markers
   Provides broader gut-related immune insight.

6. Non-invasive sampling option
   Can be performed via dried blood spot.

7. Evidence-based laboratory method
   Uses validated xMAP™ technology.

8. Reduces trial-and-error dieting
   Focuses only on reactive foods.

Step-by-step – how we offer Food Intolerance testing

Clinic-based testing (UK-wide)

• Choose your nearest UK clinic

• Attend your appointment

• Blood sample collected by a qualified clinician or phlebotomist

• Sample sent to the laboratory for IgG analysis

At-home testing (+£60)

• Finger-prick or phlebotomy sample collected at home

• No clinic visit required

• Sample returned for laboratory processing

Both services are available UK-wide.

Your Food Intolerance Panel results explained

Minimal to low IgG reactivity

Suggests little or no immune response to the tested food. These foods are generally well tolerated.

UK reference interpretation:

• Minimal / Low: ≤50th percentile

Moderate IgG reactivity

Indicates a measurable immune response. Symptoms may occur depending on frequency and quantity of consumption.

UK reference interpretation:

• Moderate: 50th–75th percentile

High to very high IgG reactivity

Suggests significant immune activation. These foods are commonly targeted in elimination diets to reduce inflammation and symptoms.

UK reference interpretation:

• High / Very High: >75th percentile