Whatever food we eat, our body has to work hard to digest it and absorb. Some foods need more energy than the others in the process of digestion. It is likely that there may be certain foods that require more calories to digest than the caloric content of the foods themselves. In fact there are certain foods in nature which possess this property. Such foods may be termed as negative calorie foods because these foods take these extra calories from the body fat. Similarly there may be foods that require the same amount of calories as the calorie content of these foods. Such foods are effectively of zero calorie.
The secret of negative calorie effect lies in the fact that these foods use more calories to digest then actual calories. The overall effect of these negative calorie foods in our body is that of using calories from body. These foods are mostly natural plant foods like vegetables, fruits, beans, lentils and legumes.
If you eat a food high in fat, your body will expand almost no calorie and the fat very easily goes to your waistline. On the other hand, the more you eat these negative calorie foods, the more you have a feeling of fullness, thereby leaving a little chance of eating other fatty and oily foods. The other important thing about these negative calorie foods is that these can form part of a perfectly balanced diet.
There are a large number of foods that combine low calories, delicious taste, and excellent negative calorie properties. Include these foods in your daily meals. You will get maximum benefit if you eat them in raw natural form, with little butter or oil. The most important thing about these negative calorie foods is that you will never feel hungry if you are on a diet with negative calorie foods.