But if you replace half of your higher calorie high fat snacks with negative calorie foods and supplement that with some vitamins, some beans or white meat, some whole grains, and you will be amazed at how quickly the weight can start coming off.  Raging Lion  A negative calorie foods diet works. Period, end of statement. In the end, no matter what questions you have about negative calorie foods, this is a diet, so the end question is whether or not a negative calorie foods diet works and the answer is that it does. If you're looking for foods that cause you to lose weight, the negative calorie food diet is absolutely one that you should take a look at considering.  http://ultimatemuscleblackeditionrev.com/raging-lion-scam/