Zero Calorie Food List: No Guilt Foods You Can Eat Without Gaining Weight The Zero Approach! There is a God and you can eat food that won't make you fat. Zero calorie foods take more energy to digest and adsorb into the system than the actual energy in the food itself. What does this mean? Some foods have less calories than the calories your body uses to process it. The revelation: you can eat these foods as part of your daily diet and not count their calories. Use a little imagination and these foods can and will rock your boat. So here's a few to get you started. apples apricots asparagus beet root broccoli cauliflower carrots celery cranberries cress cucumber fennel garlic grapefruit green beans kale leek lemon lettuce onion orange peppers pineapple plum raspberries spinach strawberries swede tomatoes watermelon source: http://hubpages.com/hub/Zero-calorie-foods