Gluten free? When you found your way here chances are you are gluten intolerant yourself, allergic, or you know at least a little about it, maybe from a friend or family member who has an allergy. For those of you who don’t know I’ll explain shortly. Gluten is a is a protein found in several types of grains such as: wheat (wheat starch, couscous, etc.) rye spelt barley seitan bulgur oats triticale einkorn emma kamut People suffering from an intolerance or allergy can react to ingesting it with nausea, diarrhea, headaches, breathing problems, rash or even tachycardia (rapid heartbeat).