The liver flush is wonderful but I don't know if it is recommended to do it in the middle of the Humaworm because it may take out the Humaworm herbs that are killing the critters. I think RG wants us to do a Liver flush before the Humaworm and then 7 days after the Humaworm because he wants the herbs to remain in your system. Liver flushing is extremely good for you if your liver is healthy enough to do one. Donna