P&B Shakes are a cleansing product you can take with your fast and even when off your fast. It is used for cleansing the digestive system. It helps to remove mucoid plaque. Mucoid plaque is caked layers of of encrusted mucus mixed with fecal matter on the walls of the intestines. Once this stuff is built up it can cause illnesses. The B&P Shakes help to remove the plaque. Perhaps you would like to read up on it. Just go to the curezone search button and type in MUCOID PLAQUE. It will tell you about MUCOID PLAQUE the P&B shakes. You can also find the recipe there. Hope that helps.