Rapid Diet Forskolin Calculating point values for foods is another popular diet. Every food has a point value and the goal is to keep your food intake under a certain amount of points. Every individual will have a different point value. The good thing about that is your local grocery store will sell foods with the point value on the box.Counting carbs is another common diet. Not as popular as it use to be but still effective. Depending on the person, he or she will have an amount of carbohydrates they want to eat in a day.