If you are in a real, real hurry then the 3 day diet is for you. If you like crazy diets and quick crazy diet this one is definitely for you.
The grapefruit diet has been around for quite a while. One of the interesting aspects of this diet is that you are only supposed to be on it for 12 days. How much weigh can you lose in 12 days? Ten pounds is the general opinion, a short quick fix that shouldn’t be extended beyond 10 days.