I am doing the Master-Cleanse for overall health, nothing specific, although I first did the Master-Cleanse for bowel problems and I also need to lose weight. I used to spend literally hours on the toilet and that has virtually stopped.
I am doing the Master-Cleanse every three months for a minimum of 10 days each time until I reach a good weight for me. I believe giving the digestive system a break is very important and doing so will lengthen your lifespan, so even after I reach my good weight, I plan to do the MC but maybe not every three months (although maybe I still will...I really like doing the MC and it gets easier every time I do it).
I still haven't done a liver flush. For some reason, it just seems so complicated. I guess that's why I like the MC so much - so simple!