<<Disclaimer: Verify this information before applying it to your situation.>> <<<<< My question is, is it likely I am developing intolerance to other grains? The crumperts contained: EnerG Rice flour, tapioca flour and potato starch. Authentic foods bean flour and specialty cornstarch Xantham gum, egg, vinegar, sugar, salt>>>>> The culprit might be the vinegar. Do you know what it was distilled from? Wine, rice, or cider vinegar is ok. Others might make you sick!