Gluten intolerance is a common food sensitivity that affects millions of people. Unlike food allergies, which are triggered by the immune system, a food intolerance usually stems from an inability to digest certain foods. A complete inability to process gluten is celiac disease, a severe autoimmune disorder that can be life-threatening if not properly diagnosed. For most people, however, gluten intolerance manifests with mild to moderate symptoms that impact the digestive system and energy levels.

1. Bloating

Bloating is one of the most common signs of gluten intolerance; it occurs when the body struggles to break down and process gluten in the food we eat. This can result in gas that causes the abdomen to swell. Bloating is often accompanied by flatulence and physical discomfort. This symptom will likely manifest to some degree every time an affected person eats food that contains gluten. That includes anything made with wheat, rye, or barley, and processed and packaged foods that contain these grains. To prevent bloating, most affected people need to eliminate these foods from their diet.