One of the most popular and successful diets programs in the United States is the Weight Watchers diet.

Their plan is simple and comprehensive. It involves a little work from the dieter, but it is not overwhelming. The plan utilizes nutrition, psychology and support systems that together help the dieter achieve his goal.
They have a few plans. Here is the most popular one which is called the point system.

What do you eat? Basically everything. Each food gets points assigned to it based on the carbohydrate contents, fat content and fiber content. You get a small paper calculator and with a sliding center you can check the amount of points the food you are about to eat, gets.