Over its many years Weight Watchers online has evolved its dieting and eating plans, but always stuck to the main principle that healthy eating in moderation and sensible exercise is the key to losing weight, and to keeping it off for the rest of your life due to keeping up the good habits learned.

The whole key to the success of this program is that it is flexible. They realize that men have different dietary needs than women, some people travel more, some people have a very calm lifestyle, and everyone can design a plan suitable for their particular life.

Each person is allocated a set number of points a day that has been calculated taking into account their height, weight, age and lifestyle. They may also have bonus points per week that can be used when they want. There are many online tools to help the dieter out as well as the meetings they can attend, which are run by successful participants who can offer real advice on how to diet and exercise.