If you have a sensitivity, intolerance or are allergic to gluten it is important that it is avoided. On the mild end of a gluten reaction, people report feeling bloated, sluggish and tired when they have eaten it, on the most severe end the reactions can be life threatening and need urgent medical treatment. Many people believe that our bodies have come to rely too much on gluten and that to cut down consumption of it aids digestion, a side of which can be weight loss.