High calorie foods

Foods packing a high calorie load relative to their bulk — peanut butter or chocolate syrup, for example. The category also covers dietetic foods and energy foods specifically manufactured for increased calorie content: built to promote weight gain, they may serve people with particular nutritional needs — athletes, invalids, and low-birth-weight infants, for instance. Lightweight, calorie-dense foods also serve as space-flight foods and military rations. Their formulation balances maximum energy density with palatability, nutrient completeness, and pack stability, since every gram carried must earn its place.