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After being gluten free for 4 years, I have been losing weight for no
reason. I am suspecting that I must somehow be getting gluten in
something. Isn't there a blood test that can tell that, or must I have
another endoscopy and biopsy to show erosion?
I will summarize any answers.
Thanks, Jeanne
*Please provide references to back up claims of a product being GF or not GF*