Although all foods contain calories, these magical foods actually burn as many calories during the digestion process as they contain. Therefore you should mark them as having zero calories in your calorie counter. Without further ado, here they are in all their glory:
Asparagus, apple, beet, blueberries, broccoli, cranberry, cantaloupe, carrot, celery, chicory, cauliflower, cucumber, dandelion, endive, garden cress, garlic, grapefruit, green bean, honeydew, hot chili peppers, lemon, lime, lettuce, mango, onion, orange, papaya, peach, pineapple, pickle, radish, raspberries, spinach, strawberries, tomato, tangerine, turnip, watermelon, and zucchini.