Starch is a vital food for our bodies since it is an energy giving food and some of its sources are potatoes, grains such as wheat and corn. It is important to understand that there are people who develop intolerance towards starch foods and those who develop carbohydrate allergy. Regardless of the case there are several triggers to starch allergy or specifically starch intolerance and there are various explanations on as to why one develops intolerant reactions to starch. In order to break down starch benefits it is important to know what really happens whenever you eat starch foods. The body contains enzymes or polymers which assist the body to break down starch into glucose. It is glucose that is burnt so as to give energy to your body and that is how starch foods are energy giving foods.