it different from person to person, the thing is that you are changing drastically your diet and you are eliminating a lot of fats, and using just good fats and also you are decreasing the calories in your diet, for examples veggies have just a few calories, so you will see results, very fast, but i think is better to follow a balance diet, because when you quit to this raw food diet, and you start to eat as normal as always you will gain the weight back, so it´s better know how to have a balance diet to get and mantain the weight we want