Hello! My tTg IgA antibody levels continue to be elevated despite being on a strict gluten free diet for almost 2 years (1 year 10 months). The iGg antibody levels have gone down to normal values but the IgA won't (this is for TTG only, not anti-gliadin antibodies). They are checked every 6 months, and they usually decrease a bit, but still not in normal...