IgG tests promise to reveal food sensitivities. But are they science or science-ish?


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  1. Kira B

    We tried keeping a food reaction because of severe non IgE food allergies (red cheeks/GI issues/rashes/eczema) Mainstream testing and allergists were zero help. We stumbled upon ALCAT food sensitivity test and FINALLY were able to get relief for symptoms. Allergens included black pepper and broccoli which were frequently consumed, impossible to figure out with a food diary and when removed truly brought relief to years of chronic, visible symptoms. Yes–there is not a lot of science to these alternative food tests–but sometimes they help individuals when mainstream medicine fails to bring relief or even acknowledgement of the problem. One GI doctor told me “We deal with death and disease not health and wellness.” So if your reactions are causing you to be unwell and not healthy but don’t fall into the death and disease catagory often it is outside the scope of what MDs in the US deal with. We did the ALCAT every year or so until my sons gut and immune system healed. I am truly grateful for the parent who showed me the ALCAT food allergy panel when mainstream doctors were failing us. I understand doctors reluctance to believe in these tests. But as a parent–it was very helpful to us and halted non IgE food reactions. Interesting article. Thanks for overview.

    • Nikki

      Well said Kira! My family has had similar benefits from the Alcat test.

  2. Julie Bolin

    Wow! Thank you for this article. I’m just coming off of a 21 day elimination of the foods that my IgG test said I was sensitive to. (I thought it was bogus because it contained almost every healthy food that I typically eat – like lettuce and cabbage) I wish I had done a little more research because this test was very expensive (out of pocket was $250 but they billed my insurance $5000).

    • Saskia

      Hi Julie,
      I have just been doing an elimination diet as well, IBS, and symptoms actually got worse instead of better. Did you notice a difference in your symptoms?

      Hope what ever you are dealing with gets better soon!

      Saskia

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