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Confused About Igg Testing

revenant

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revenant Enthusiast
revenant
Posted

I'm getting a blood Igg test for 95 different foods in 3 days. My naturopath wasn't very clear on what I should be eating before hand, how do these tests work? Should i be eating lots and lots of variety on purpose so that I have results from this test? Should I be specifically trying to eat as many of these 95 foods as possible before the test? And what quantity of each of these foods do I need to eat?

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nora-n Rookie
nora-n
Posted

I had such IgG tests.

mine were of course negative for gluten and milk since I did not eat them.

But positive for kiwis and molluscs although i did not eat them.

basilicious Explorer
basilicious
Posted

I'm sorry that I can't help with all of your questions, but my understanding of IgG in general is that it is less sensitive and remains elevated for a while after consumption of the triggering food.

As a result, it's unclear how immediately it would respond to consumption of those foods just before testing. However, I would think that reasonably recent (and probably somewhat steady) consumption of those foods would help boost the accuracy of your results. I say that because, in my experience, I had gone on a gluten light diet for almost two months yet still had antigliadin IgG levels of 75 (positive is >25). Hopefully it is reassuring that nora_n was able to get positive results for foods that she wasn't consuming...

Hope this helps, and good luck! I only had the IgG test done for gluten, but now I'm realizing how important it is to have a broad range of foods tested.

revenant Enthusiast
revenant
Posted
  • Author

Hmm, I suppose I'll email my naturpath to make sure. Thanks for the answers.

Nora, I've heard that sometimes little ingredients in things can supply unusual proteins from things. Maybe you got mollusks and kiwis from some additives of some sort? Those are two really unusual things lol!

basillicious, it's less sensitive? Hmmm I'm wondering now whether it's worth the test, but i'm going to go through with it anyways. I really don't see how the test can accurately capture 95 different foods if they all differ in amount and in the time when you ate them (wouldn't the response vary?). I'm hoping that 3 days is enough time....

mushroom Proficient
mushroom
Posted

Here's what Allergy UK says:

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There is controversy about the role of IgG; it may be present in the blood as a 'marker' for the foods we eat most often, rather than actually being involved in the food intolerance reaction. Nevertheless, some people find the test helps them decide which foods to avoid.

Now it seems to be true that we tend to develop intolerances to foods we eat too much of, so there may be some truth in this, but it doesn't account for Nora's Kiwi and molluscs. :rolleyes:

revenant Enthusiast
revenant
Posted
  • Author

.Now I'm not so sure about this test. :/ For the price that it is, I was unsure at the beginning. The naturopath I went to see was really adamant on this being a good choice for me. I found it a bit odd because I already know that I have reactions to sooo many things that what else could there be that would be worth 300 dollars?? I'll go through with it none the less and see how it works out.

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