The Nutrisystem Diet is a plan that teaches you portion control.  They decide how many calories you should eat to be able to lose about two pounds a week and base the entire diet around their prepackaged foods.  You can get help and encouragement on their web site, and you don’t have to take pills or eat anything strange.   The food is expensive and you have to also buy milk, vegetables and fruit to make sure that you are getting the nutrition that you need.  They offer a balanced diet and you can get the vegan diet if you don’t like to eat meat.   If you read their information, and follow their guidelines about portion control, along with counting calories, and doing some exercising on your own; you could lose the weight and save the money you would spend on their food, to buy new clothes in a smaller size.