Food Sensitivity Testing

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Food Sensitivity Testing FAQs

What foods are tested?
Does this test also test for food allergies?
What is IgG?
How is this food sensitivity test different to other IgG tests?
Will addressing food sensitivities fix my condition?
Will I always have a food sensitivity?
How will I feel when following this protocol?
What does the test involve? How do I get my results?
How long will it take to get my results?
Will my sample get spoiled in transit?
Are there any other hidden costs?
Why have a nutrition consultation?
Will I need to take supplements?
Can children do the food sensitivity test?
Do I need to be retested?
Is the test accurate?
Will the food sensitivity test identify all food-related problems?
Will my medication interfere with the test results?
Should I take the test if I am unwell?
Can I take the test if I’m pregnant?
If I have eliminated a food from my diet will the food sensitivity test still work?
Should I eat foods that I have not been tested for?

What foods are tested?

We test your immune system reaction to 96 common foods. We have ensured that high risk foods are included in our tests. There are other tests that include hundreds of foods. We have found these to be unnecessarily expensive and confusing to interpret.

Does this test also test for food allergies?

No.  This is a food sensitivity test, sometimes called a food intolerance test. Food allergies and food sensitivities are different.

A food allergy has a different antibody reaction IgE as opposed to IgG reaction tested in this food sensitivity test.  Food allergies (Type 1 allergies) show an immediate reaction to the problem food and are usually easy to identify.  Reactions normally include itching and swelling on the lips and throat, breathing difficulties and wheezing, abdominal cramping, vomiting and diarrhoea, hives and rashes. 8 foods account for 95% of food allergies: soy, dairy, peanuts, tree nuts, fish, shellfish, wheat, and eggs.

Food sensitivities (Type 3 allergies) are often difficult to identify and are often misdiagnosed for years.  They are dose dependent (the more you have the worse the symptoms), can have a delayed onset of symptoms, and reactions are different for different patients.

See this article for more information

What is IgG?

IgG or immunoglobulin G are a specific part of your body’s immune system.  Immunoglobulins, also known as antibodies, are produced by white blood cells.  The role of IgG is to identify and neutralise any foreign invaders in your body, such as harmful bacteria and viruses.  When food particles enter the blood stream without being properly digested the immune system sees these food molecules as foreign invaders.  Compared to the allergic reactions described above, IgG reactions to invaders can take hours to manifest.  This makes foods that you are sensitive to (have an IgG reaction to) hard to identify.

How is this food sensitivity test different to other IgG tests?

Many laboratories only measure IgG4 antibody levels. Testing soley for IgG4 limits the clinician’s ability to identify many foods that trigger significant reactions.  Our test measures total IgG (IgG1, IgG2, IgG3, and IgG4) to 96 different foods, providing a comprehensive and accurate representation of your food-based reactions.   A criticism of IgG testing has been the issue of creating a nutritionally inadequate diet by excluding reactive foods without substituting other foods.  We have added in an individualised consultation with an expert university trained food sensitivity testing specialist to avoid this problem.

Will addressing food sensitivities fix my condition?

Addressing food sensitivities can help with a variety of different symptoms and conditions.  We have hundreds of testimonials from patients whose lives have been positively changed by addressing their food sensitivities.  However, we cannot stress strongly enough that we are not claiming to fix any medical conditions.  By removing sensitive foods you are stopping an inflammatory reaction in your body.  Reducing inflammation on a daily basis can make a big difference to many symptoms.  Even more importantly, healing your gut will stop further gut damage, further reduce inflammation, and help you avoid many other future symptoms and diseases.

Will I always have a food sensitivity?

No, food sensitivities can be improved by healing your gut.  The emphasis on gut healing in our protocol is one of the unique aspects of our protocol.   Healing your gut will stop undigested food passing through the gut barrier, getting into your bloodstream causing an inflammatory reaction.

Eating a variety of foods is also important for reducing food sensitivities.  Some of the foods that you will be moderate to highly reactive to will be foods that you are eating too often.

How will I feel when following this protocol?

It is common for people to experience a healing crisis when starting the protocol. They will sometimes get worse before getting better.  Some people may get a reoccurrence of an old symptom, their skin could get worse, or they may get flu like symptoms.  These symptoms are the body detoxifying and expelling toxic build up. After the healing crisis period many people report improved skin, weight normalisation, better mental clarity, less pain and improved bowel movements.Strong food cravings and changes in appetite (increases or decreases) are also common experiences when following the protocol.

What does the test involve?

Our at-home test is very easy to complete.  Everything that you require is in the Food Sensitivity Testing kit.  Detailed instructions are included with the kit. We will also send you a link to our online instructional videos. The test will take around 20 minutes to complete including filling in the forms.   The test involves taking a small blood spot sample using the lancet provided and sending the sample in the pre-paid satchel to our laboratory.  Results can take up to 3 weeks to be processed.  We will send you an email report with the complete results and protocol.

how long will it take to get my results?

Your results can take up to 3 weeks from the time you send them away to our laboratory. This includes postage time and the time to complete 96 different laboratory tests. If your test has taken longer than 3 weeks since you’ve sent it please contact us and we will contact our laboratory to get an update.

Will my sample get spoiled in transit?

One of the advantages of using the dry blood spot technique is the safety and convenience of transport.  Ensure that you wait for your blood spot samples to dry before you put the sample card in the plastic bag.  We would suggest sending the sample the same or next day as international mail can take several working days to be delivered to our laboratory.

Are there any other hidden costs?

There are no other hidden costs at all.  Since this is an at-home test you don’t need to pay blood sampling fees from a laboratory.  You may choose to purchase some of the supplements that we recommend to aid in gut healing, but these are an optional part of the programme.

Why have a nutrition consultation?

This consultation is extremely valuable and will help you to safely and effectively modify your diet while avoiding reactive foods.  We included this consultation because we were concerned that without qualified expert advice, some patients may be adversely affected by consuming nutritionally deficient diets.  Our experts are here to give you the best advice on how to improve your diet – please use them!

Will I need to take supplements?

Eating a real food diet minimising additives, preservatives, your identified reactive foods and toxins is your primary treatment for improving your gut health.  Supplementation can be useful – but is secondary to making a decision to improve the quality of the food you eat.  We developed this programme to give you a valuable tool to help improve your health.  Eating poor quality food will damage your gut leading to further food sensitivities in the future, as well as a whole myriad of other health problems.  If you have a high number of reactive foods this can indicate significant gut damage.  In these cases, supplementation will be more useful.

Can children do the food sensitivity test?

If you believe that your child has food-related symptoms, a food sensitivity test will help to identify the problem foods.  Your child should be eating a variety of solid foods to benefit from testing.  Our laboratory routinely tests infants and children.

Do I need to be retested?

Patients often become more aware of adverse food reactions after taking the food sensitivity test.  With a healthy gut, and a varied diet of good quality foods further food sensitivity testing won’t be necessary.  If you suspect food-related symptoms a year after your first test you may wish to be retested. Dr William Shaw, a leading expert in food intolerances suggest food sensitivity testing annually for optimal health.

Is the test accurate?

Yes.  We exclusively use a laboratory that specialises in food intolerance testing.  Our laboratory routinely tests thousands of samples each month from referring food sensitivity specialists.  Our lab also has a strong internal quality control program in which portions of quality control samples are analyzed with every test batch to ensure laboratory quality. Also, patient samples are frequently split to make sure that different technologists perform similar work.

Will the food sensitivity test identify all food-related problems?

As mentioned previously, IgG testing does not test for Type 1 allergies.  IgG testing will not identify lactose intolerance as this is caused by an enzyme deficiency rather than an immune response.  Amine and salicylate intolerances will also not be identified by this test as they are not mediated by the IgG system.

Will my medication interfere with the test results?

Most medications will not affect your test results.  If you are currently on immune system suppressors such as cortisone or other steroids we would suggest not testing for one month until you have completed your course of medication.

Should I take the test if I am unwell?

Common colds and digestive problems will not influence the test.  If you have an acute illness or fever we would advise that you wait until your immune system has normalised and your health has returned

Can I take the test if I’m pregnant?

We wouldn’t recommend starting the protocol while you are pregnant.  Detoxification and changing the diet can be stressful on the body so it would be best to do this before or after pregnancy.

If I have eliminated a food from my diet will the food sensitivity test still work?

If you have been specifically avoiding a food, include small amounts in the 2 weeks prior to testing.  For example, if you’ve been avoiding milk try including a little milk in your coffee.  While some people can accurately guess the foods that they are sensitive to, many discover they have been excluding non-reactive foods.  Our test will accurately identify your problem foods.  If you have a known Type I food allergy do not eat this prior to testing.

Should I eat foods that I have not been tested for?

As a general rule we would recommend that you don’t introduce foods that have not been included in the food sensitivity test for 3 months.  If you would like to try foods that have not been tested, introduce foods one at a time using the procedure outlined in the protocol for reintroducing sensitive foods noting any symptoms that occur.