Negative calorie foods refer to the foods which use more calories to digest than the calories actually contained in them. In other words, Negative Calorie foods are those foods which require more energy during their breakdown and digestion for cellular energy than what they contain. To digest these foods the body has to work hard in order to extract calories from these foods giving these foods a tremendous natural fat burning advantage for achieving weight loss without starving. These foods thereby help in fast weight loss by burning up the excessive stored fat in the body. Fruits and vegetables make up a majority of the negative calorie foods as they have a high nutrient value made up of vitamins, minerals, complex carbohydrates and fiber.
Some of the negative calorie vegetables are Asparagus, Beet Root, Broccoli, Cabbage, Carrot, Cauliflower, Celery ,Cucumber, Garlic, Lettuce, Onion, Radish, Spinach, Tomato and Green Beans. Some negative calorie fruits to include in daily diet for weight loss are Apple, Blueberries, Cantaloupe, Cranberry, Grapefruit, Honeydew, Lemon, Mango, Orange, Papaya, Peach, Pineapple, Raspberry, Strawberry and Watermelon.
In short, consuming negative calorie fruits or vegetables is an excellent way of losing weight naturally.