If you are gluten sensitive, have an allergic reaction to gluten or are a potential coeliac disease sufferer, knowing how to embark on a reduced-gluten or gluten-free diet may become crucial to your health. Gluten is a protein found in wheat, rye and barley. It gives bread elasticity and for many people eating foods that contain gluten is not a problem. An increasing number of individuals experience symptoms of unwellness that cannot be easily diagnosed. When these people change to a reduced-gluten or gluten-free diet the symptoms ease and can disappear.