I agree with fatnewmom and others when they saw that upsetting the flora in the intestines is harmful. I also don't believe the pictures on some of these websites showing what comes out of the colon during one of these cleanses. That is just rubbish.

Read this:
http://www.nationalreviewofmedicine...ature05_19.html

This link is especially important.
http://www.quackwatch.org/01Quacker...ics/gastro.html

HN