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There are quite a few methods out there that you can look at for food intolerance testing, some of which are more reliable than others, according to experts in the field. One of the often disputed methods is that of IgG food sensitivity testing. A lot of the big names in food allergy and food sensitivity testing have given this kind of testing a bad reputation, as well as those testing techniques that use IgG4 as well. This makes the well-researched reader hesitate for a moment before deciding what to do. Here’s what you should know about each of these.

The truth about IgG food sensitivity testing

To understand the important role of IgG food sensitivity testing, you must first take a look at what it does for the body. During the testing process, the provided sample is tested against a wide variety of food samples that are in the lab. The presence of IgG (and its level) is what indicates that there is a sensitivity to the food, as this level indicates that the body doesn’t respond well to the food ingredient itself. Here’s how the testing works:

  • It’s controversial in its results: There is a lot of news out there stating that the results are controversial. After all, some states that IgG is present even when there is no actual intolerance reported in clinical symptoms. This is not untrue, but there is more to think about in the actual test itself (marking the importance of IgG4 testing).
  • It focuses on the presence of IgG in relation to certain food: The whole point of this kind of test is to determine what foods are creating the presence and level of IgG in relation to the test itself. These responses are then recorded as potential food sensitivities and intolerances and tested further to get more detail.
  • It’s still developing in the world of science: This kind of testing has helped diagnose many food intolerances for people in the past, so it’s proof that it works. Is it still developing in the often skeptical medical test world? Yes, definitely.

Why is IgG4 thought to be better?

There is more support and respect for the world of IgG food sensitivity testing when it comes to the use of IgG4  This is because it is designed to be a more heightened test and will give out more accurate results.

  • It can indicate a heightened response in more detail: The presence of IgG4 is more accurate and tends to also help in indicating the actual severity of the food intolerance, which can be helpful for moving your elimination diet forward.
  • It’s more resistant to false positives: Since IgG4 is more accurate, it is resistant to false positives where a lot of the naysayers often find a problem with the supposed false positives with IgG testing. It’s important to note that false positives can happen across all testing methods for all sorts of conditions, however, including “official” medical testing (ex: pregnancy tests).
  • It can be easy to detect during the test itself: Within the test itself, IgG4 levels are easier to monitor and markdown in terms of the food ingredients they’re heightened too, which means faster results.

 Despite what a lot of resources say, there is a serious amount of science and effort into the study of IgG food sensitivity testing (as well as the preferred IgG4) and its role in the world of modern, alternative medicine.