If you get on the cabbage soup diet and eat enough of the cabbage soup you can lose as much as 10 lbs per week but losing that much weight on any diet including the cabbage soup diet is not healthy according to dietitians and doctors.
Some side effects that you may have when going on the cabbage soup diet are irritability, dizziness, Light-headedness, flatulence, loss of concentration, muscle loss and hunger.
You may also get too much sodium from the cabbage soup when eating too much of it.