Food Sensitivity Test

Discover your body’s IgG reactivity to foods that may be causing you digestive discomfort. Choose between 108 and 204 foods tested.

   IgG antibody reactivity test

   Finger prick sample collection


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Free shipping on all orders within the U.S.

What you get with this test

What’s measured?

This test measures your IgG antibody reactivity to 108 foods

Your immune system creates IgG antibodies in response to the foods you eat, but certain foods may trigger your body to produce more IgG antibodies than others.

This test classifies your IgG reactivity levels for each food as low, moderate, or high reactivity. High reactivity foods may contribute to the symptoms associated with food sensitivity, and are great candidates for further exploration in an elimination diet.


Experiencing  bloating, nausea, or other symptoms that may be related to food?

Food sensitivity symptoms may take hours or days to appear after consuming an offending food. Your immune system’s IgG antibody response to foods can be paired with an elimination diet to help you pinpoint the specific foods causing symptoms.

  • Bloating
  • Abdominal Pain
  • Nausea
  • Headaches

What’s included?

  • Free shipping both ways
  • Convenient sample collection with easy-to-follow instructions
  • Personalized test results & actionable health insights
  • Online status check available 24/7
  • Secure digital results

Understand the differences between food sensitivity, food allergy, and celiac disease testing

genofit-food-sensitivity-t Food Sensitivity Test genofit-food-sensitivity-t Food Sensitivity Comprehensive Test
Measures Current levels of IgG antibodies for a variety of foods Presence or absence of antibodies that can indicate celiac disease
Intended use To identify foods in your current diet that might be connected to food sensitivity symptoms To identify if you have an immune response to gluten, that might be connected to celiac disease
Potential symptoms Food sensitivities are a non-life-threatening condition with delayed symptoms such as:
• Abdominal pain
• Bloating
• Headache
• Indigestion
Celiac disease is an autoimmune condition with chronic symptoms such as:
• Abdominal pain, diarrhea, constipation
• Bloating
• Unexpected weight loss
Next steps Helps guide a two-part elimination diet Provides results to share with your healthcare provider

CLIA Certified

All Genofit tests are guaranteed to be processed by a CLIA certified laboratory–the same type of certification as hospital laboratories.

Physician Reviewed

Genofit tests are reviewed and approved by a third-party independent physician licensed to practice within your state.

HIPAA Compliant

Genofit takes measures to guarantee your privacy. Your personal data is securely stored and will not shared with any third-party without your permission.

Personalized Results

Easy-to-Understand Results

Genofit test reports include an easy-to-understand breakdown of your IgG reactivity levels for each of the foods measured in this test. You’ll also receive personalized insights about what your results mean for you.

Fast Turnaround Time

The laboratory will start processing on your test the moment your sample kit arrives at the laboratory. The expected turnaround time is 5 to 7 business days, and we’ll notify you as soon as your results are ready.

Secure Online Results

Securely download your food sensitivity test results from your password-protected Genofit account. We’ll send you an email once your results are ready!

Easy-to-Understand Results

Personalized Results


Genofit test reports include an easy-to-understand breakdown of your IgG reactivity levels for each food measured in your test. You’ll also receive personalized insights about what your results mean for you.

Fast Turnaround

Testing begins immediately after your kit arrives at the lab and will be completed in 5 to 7 business days. We’ll notify you as soon as your results are ready.

Secure Online Results​

Securely download your test results from your password-protected Genofit account.

Get Started in 3 Easy Steps​

Get Started in 3 Easy Steps

1. Activate Kit

Activate your kit online at by entering the unique activation code found inside your kit.

2. Collect & Mail Sample

Simply collect your sample at home, then mail your sample directly to the lab with free return shipping.

3. View Results

Receive your results within 5-7 business days after the lab receives your kit.


Here are the answers to the most frequently asked questions about this test.

Food sensitivity refers to an often-delayed response to specific foods, where symptoms may not appear for several hours or even days after consuming the food. Food sensitivities can cause a lot of discomfort and they may contribute to other health complications. But unlike food allergies, food sensitivities are likely not life-threatening.

Delayed on-set of symptoms makes it difficult to identify the food components that may be behind the food sensitivity. Therefore, a food sensitivity test that measures the level of IgG antibodies may be a useful tool for identifying potentially problematic food. The definition of food sensitivity can also include food intolerances – when the body cannot properly digest a particular food (or part of a food). Lactose intolerance is the most common example of a food intolerance. This test does not detect food intolerances, such as lactose intolerance.

The results from this food sensitivity test alone cannot diagnose a food sensitivity. However, it provides a great starting point for further investigations as it will help you narrow down the food groups that may be contributing to your symptoms associated with food sensitivity. Your results also provide a base for designing an elimination diet with the exclusion of foods associated with elevated IgG levels.

Elimination diets have two phases – the elimination phase and the reintroduction phase:

In the elimination phase, the suspect food or foods are excluded from the diet for a short period (typically 2–3 weeks). If symptoms improve during this phase, it may indicate that one or more of the excluded foods is contributing to the symptoms. If symptoms do not improve, it is important to consult a health professional as other factors could be the cause of your symptoms (Raman, 2017).

In the reintroduction phase, the eliminated foods are slowly brought back into the diet. This is done individually for each food (or food group) over 2–3 days to see if any symptoms reoccur. If no symptoms occur, you can then move onto adding back the next excluded food (or food group). If symptoms do occur, it indicates that the reintroduced food is contributing to your symptoms of food intolerance (Raman, 2017).

No. You can send the kits back to the laboratory using any shipping method of your choosing. Please be advised that if you do not use the included prepaid return mailer to ship your samples, it is your responsibility to ensure that your samples arrive at the laboratory. We will not be able to provide assistance for shipments that do not use our prepaid return mailer.

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