Medically reviewed by Daniel More, MD A gluten allergy occurs when the immune system has an abnormal reaction to gluten, a protein found in the grains wheat, barley, and rye. Celiac disease is an ...

Millions of people voluntarily avoid gluten, a protein found in wheat-based foods like bread, cereal and pasta. Those with a wheat allergy ... Is Not Your Issue Non-celiac gluten sensitivity ...

In some cases, you may need to completely avoid gluten if you have certain health conditions or are allergic to products ... Learn more about 21 common signs of gluten intolerance.