You should inform yourself on Oxalates, Lectins, Salicylates, and Histamine Intolerance. A lot of folks with IBS have Mast Cell Activation and don’t even know it. But the first one to eliminate is always gluten! In Ireland for example , they “could paper the medical offices w “IBS” scripts. It’s all gluten intolerance, as they see it, as there is a genetic marker in a very high percentage of Irish, and the British Isles.