Misunderstood? Setting the Record Straight on Food Sensitivity Test

Food sensitivity testing may be a tricky topic for many people because it involves clinical terms. It is also because there are numerous versions on the internet of what it entails. You need to know, though, some of these conclusions lack credible evidence to back them up.

Taking a food sensitivity test is an easy and fast way to determine what could be wrong with your body on the brighter side. The exercise, however, needs to be done by the right health specialist or under proper guidance.

Before using any intolerance lab test or seeking a health practitioner’s help, do a little research to ensure it is the right move. Lucky for you, this guide will provide a good portion of all that you need to know.

The Difference Between Food Sensitivity and Food Allergy

People often confuse the two terms, but they are very different, let’s break them down. Food allergies are dangerous and may require immediate medical attention. They cause body reactions such as fainting, throat swelling, rashes, or difficulty in breathing. These are a bit more serious than food sensitivities.

Food sensitivities, on the other hand, take around 30 to 45 minutes to show a reaction. For instance, you might take food and feel your tummy fills up with gas after some time. Yes, that’s food sensitivity. They show gut-related symptoms such as bloating, diarrhea, abdominal discomfort, and nausea.

These discomforts don’t necessarily need you to get medical attention, but taking a food sensitivity test would help. The test can help you discover whatever food did not sit well with your tummy and avoid it in the future.

General Body Reaction to Food

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You need to understand that just like you react when you see danger approaching, it is the same way your body reacts to dangerous foods. Your immune system does this naturally, producing antibodies to fight any foreign antibodies.

The immune system has five main molecules called immunoglobulin (Ig) that help fight foreign antibodies. These five include IgG, IgM, IgE, IgD, and IgA. Out of the five, the two most important involved with food sensitivity, IgG and IgE. IgE is involved with fighting food allergies, while IgG fights food sensitivity just a few minutes after consumption.

Myths Associated with Food Sensitivity Tests

Some people assume that IgG is a natural response to food ingestion, so the high levels of IgG are natural reactions to ingestion. Well, that’s not true, and you will find out why. Food digestion is a long process that starts in your mouth until ejection, with each food digested at a different destination.

Research shows that 15% of some of the proteins we consume are not digested, which means the body produces IgG to counter that. Therefore, high IgG levels in a test indicate that the immune system is fighting a foreign antibody. If you conclude that ingestion causes high IgG levels, you are implying that the body is always fighting every type of food you have, which is not the case.

Correct Way to Use IgG Test

Food sensitivity tests like IgG are more suggestive tools rather than diagnostic tools. The tests help you understand what could be happening along with the digestive system. High levels of IgG, as mentioned earlier, indicate the fight of the immune system against foreign antibodies.

With the test, you can work with a health practitioner to develop a suggestive diet to avoid such reactions in the future. Failure to handle the digestion issue leads to prolonged discomfort.

Examples of Food Sensitivity Tests

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There are various such tests available that you can take either at home or hospital. They vary in cost depending on different factors.

  • Check My Body Health: It tests over 970 food and non-food intolerance in your digestive system, and you can access your results between three to five days. It is also very affordable.
  • EverlyWell: It is a very convenient at-home kit that guides you on carrying out the test, and you have access to a health specialist for advice. It is also very affordable.
  • The CRI Genetics Test is considered the most effective food sensitivity test, with results taking six to eight days. It is done by just doing a mouth swab and is cost-effective.
  • FoodMarble: It is a unique app test that tests your breath. It comes with a breath testing device and can track your results through the app for better advice. It is very affordable.
  • Vitagene: The test provides more than just food sensitivity records by giving you a detailed history of how your body responds to a different thing. You need to do a cheek swab and send it to the lab. It helps you plan your diet and health as well, but it is a bit expensive.


When you decide to take the food sensitivity tests, it is advisable to consult with the right professional for better results. For example, an immunologist is great when dealing with food allergies, and a medical doctor is the best in handling food sensitivities.

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Categories: Health

Nicolas Desjardins

Hello everyone, I am the main writer for SIND Canada. I've been writing articles for more than 10 years and I like sharing my knowledge. I'm currently writing for many websites and newspapers. All my ideas come from my very active lifestyle, every day I ask myself hundreds of questions to doctors, specialists, and physicians. I always keep myself very informed to give you the best information. In all my years as a computer scientist made me become an incredible researcher. I believe that any information should be free, we want to know more every day because we learn every day. Most of our medical sources come from Canada.ca and government research. You can contact me on our forum or by email at info@sind.ca.


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