Like you, I have gone through decades of misdiagnosis. Yes, even with all those tests, they can still miss the problem. Not only I am allergic to all fruit (not intolerance, but a true allergy) but found out all my aches, pains and fatigue is due to gluten in the diet. Finally found a good doctor. Found that celiac from a simple colonoscopy. Also found intestines destroyed and have to eat pureed vegetables, that was even harder to do. Trouble is, if you go on a gluten free diet, then get tested, the doctors will say you don't have gluten problems. I would keep the money and not gi