There are a variety of body-cleansing versions of Drano available- - juice concoctions, pills containing "all-natural herbs," enemas or laxatives. I've often wondered why GI docs don't take advantage of this trend and tell their patients that colonoscopy prep is just a colon cleanse.
I am now a member of an elite club. It is a challenge to get in. It has strict and physically challenging rules that you must follow in order to join. It is expensive and the initiation rites are as torturous as a fraternity rush. In the end though, It is totally worth the it.
If you're going to try colonic treatments, take precautions against the various risks associated with colonics and do everything to make sure you get the most out of the experience.