(I) Foods rich in complex carbohydrates tend to be low in fat and added sugars. (II) They can therefore promote weight loss by providing less energy per bite. (III) They also provide satiety and delay hunger. (IV) Indeed, several studies show that people who eat a high carbohydrate breakfast take in fewer calories at later meals than people who eat low-fibre breakfasts.(V) So dietary fibres enhance the health of the large intestine.