I am extremely skeptical of Liver Flushes & kidney flushes. My wife & I have never had one.
If you eat a good Paleo Diet the body is self cleansing. Our vital organs only get into serious problems when we abuse them with liquor, sugary drinks, and packaged foods with poisonous ingredients:
See the TRUTH about packaged foods here: https://sites.google.com/site/iodinereferenes/optimal-health