Aside from the rest of dangerous diets for losing weight, the 17 day diet brings no other side effects on human body since is tested and approved. You can try it with no worries since his diet is based only on a daily menu for 17 days. In this time, you are allowed to eat only some types of food, while have to do some cardio exercises. After one week, the first result will be shown, and at the end of the trial, you will see great results in losing weight.