With the No Restrictions plan, dieters receive a well-balanced diet with no dietary restrictions or preferences. The Reduced Carbs Plan calls for just 40% of calories to come from carbohydrates, although it doesn't put the body in a state of ketosis.

The Heart Healthy Mediterranean Plan is based on a diet that is high in mono- and polyunsaturated fats with limited amounts of trans and saturated fat. As for the Vegetarian plan, it is laco-ovo vegetarian and includes eggs and dairy. This plan is for the individual who wishes to eliminate meat, chicken or fish and substitute them with soy foods and meat substitutes.

As for the fitness aspect of your program, there are several tools that come in handy. DietWatch offers an interactive exercise log that lets you track the time of your workout and the number of calories you've burned. There is also a Daily calorie Balance that will tally the number of calories consumed and the amount burned.

DietWatch.com offers two payment plans. The weekly plan will put you back just $2.99 a week, while the yearly plan averages out to $1.49 a week.