Inspired by the movie "Fat, Sick and nearly dead" I have done a juice feast.
The first 3 days were really hard. I wasnt hungry, since you still get calories but just the habit of eating was playing with my mind a lot. On day 4 it started to get better and better. I had more energy and felt very clear.
I did it for 14 days.

I was on a vipassana, which is a meditation retreat for around 10 days. You only get served a vegetarian diet which included no sugars. Here I cant really say how much of an impact the detoxing had on me,because the meditations were really intense and you are not allowed to smoke which was already detoxing a lot for me as a smoker.

Anyway best of luck on your journey, i will follow you and keep my fingers crossed.