The best way to make certain that you lose weight is to stick to a diet that can allow you to lose weight.  If you want to make certain that you are doing all you can to lose weight, then you will have to stick to a diet that will limit your calories.  When you really do this by counting calories, this can be done much easier by using  a food calorie chart.   When you use one of these, you can really make a difference in your quality of health and life as well.  This can aid you greatly in losing weight.