Here are a couple links that may help answer your question.
Excerpt from the link below:
Blood DeTox tincture can/should be taken with the 5 day liver cleanse/prep. It is not "required" for successful flushing, but it supports the liver and helps cleanse the blood very effectively.
Cleansing the Blood & Lymph -- Blood Detox Tincture -- Based on the famous Hoxey Formula and Dr. Christopher's Red Clover Combination -- Support for the Liver: //www.curezone.org/forums/fm.asp?i=1637845