A gluten energy is caused by gliadin (a glycoprotein). The two main proteins for gluten protein is Gliadin and glutenin. Gluten is found in wheat, barley and rye. Gliadin allergen is also associated with wheat allergies and is also a trigger for celiac disease. Celiac disease makes gluten intolerable. When someone with celiac disease eats gluten their immune system disturbs and cause high inflammation in the body and eventually damaging the lining of the small intestine. If you have Gluten allergy small amount of gluten could be tolerated. Various symptoms of gluten allergy include asthma, depression, weight loss, rash, lip swelling and irritability.