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Food Reaction (IgG4 & IgE)

Our Food Reaction test combines IgE, allergy, and IgG4, intolerance reactions to give you the most comprehensive and informative results. Discover if your body is producing an immune response to key food and drink items with this test.

This comprehensive food allergy test measures your IgE and IgG4 antibody levels against 38 key foods including; wheat, milk, soy, meat, fish, fruits, vegetables and nuts, as well as testing total IgE.

Collection method:

Finger-prick sample

Number of biomarkers tested: 38

£99.00

1 in stock

More about this test

Immunoglobulin E (IgE) and immunoglobulin G (IgG4) are both antibodies. Whilst both function as part of the body’s immune system, they do produce different symptoms. The different type of reactions do not necessarily occur to the same items, so testing for both IgE and IgG4 reactions provides greater clarity.

 

IgE is associated with allergic reactions. It is found in very small amounts in the blood and testing it measures the amount of allergen-specific IgE present. Elevated levels of allergen-specific IgE can suggest the presence of allergy however results must be interpreted with a full clinical history. Whereas IgG4 is associated with food intolerance and studies into certain conditions have shown the benefit of testing and eliminating items causing an IgG4 response.

 

These conditions include irritable bowel syndrome, migraines, depression, eczema, autoimmune disease, Crohn’s disease and obesity.

• Blood collection device using finger-prick method
• Two single-use lancets
• Blood spot collection card
• Cleansing wipe
• Adhesive plasters
• Prepaid tracked 24 return mailing bag (UK & Ireland only)
• A doctor validated report
• GP alert for any “red” value reactions
• 3 working days turnaround from sample receipt at lab

Order by 4pm weekdays and your test will be the dispatched the same day (excluding bank holidays). Royal Mail tracked 24 shipping is provided free of charge. You will be emailed your tracking number.

Immunoglobulin E (IgE) is a class of antibody, which functions as part of the body’s immune system. It is associated with allergic reactions. It is found in very small amounts in the blood and testing it measures the amount of allergen-specific IgE in the blood. Elevated levels of allergen-specific IgE can suggest the presence of allergy however results must be interpreted with a full clinical history.

IgG4 antibody testing measures the level of IgG4 to specific food items. IgG4 food antibodies can result in a delayed response to a food. Circulating antibodies can affect each person differently. For some elevated antibody levels may not result in any symptoms but for others they may lead to constipation, diarrhoea, changes in bowel movements, bloating, headaches and joint aches.

Barley
Maize
Oat
Rice
Wheat


Almond
Cashew nut
Hazelnut
Sesame
Walnut


Green bean
Peanut
Soy


Egg white
Milk


Cod
Salmon
Shrimp
Tuna


Carrot
Celery
Garlic
Ginger
Mustard
Onion
Potato
Tomato


Apple
Banana
Kiwi fruit
Mango
Orange
Peach
Pineapple
Strawberry


How it works

Choose your test

Take control of your health from our range of home-to-lab tests and we’ll send the kit straight to your door.

Post your sample

Simply collect your sample at home and return it to our network of fully accredited labs for expert analysis.

Get your results

Your results will be delivered via our secure online health hub within days.

Your results

Once your sample has been analysed by our laboratory experts, your results will be collated into a clear, easy to understand report.

We always recommend sharing your report with your doctor or healthcare provider as supplementary information to your overall healthcare. Our tests are not intended as a substitution for professional medical advice and you should speak to your doctor if you are seriously worried in any way about your symptoms.

view sample report