Rich in fiber and vitamin C, the 7 day cabbage soup diet lets one lose ten to fifteen pounds by the end of a week, imagine that! With an amazing variety of low-calorie vegetables, you can have cabbage, onions, beans and tomatoes for your soup for the seven-day program. You aren’t allowed to eat bananas, but you can help yourself to unsweetened tea, black coffee, and cranberry juice. Generally, dieters are permitted to have a baked potato on the second day of the diet and they have to skip both beans and corn. It is vital to drink as much water as one can so that the uric acid can be washed out from the body.