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Hi,

Has anyone had any experience with York Nutritional Laboratory
http://www.yorkallergyusa.com/  or Great Smokies Diagnostic Laboratory
http://www.gsdl.com/home/ ?

I have been considering using one or the other for their tests for IgG.  I am
probably not celiac since a biopsy was negative, but my stomach has improved,
but not gotten totally better, with a diet that cut out wheat as well as a
number of other things.  Since I never get to where I don't have some symptoms
(excessive gas and bloating, stomach ache, nausea) I was thinking testing might
show other foods I was sensitive to.

If anyone has used either for testing, did not having been eating certain foods
make a difference to the testing?

I will summarize any answers.

Thanks,
Cindy

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