not all people have MP. but the cayenne breaks that MP up and the lemonade and water and senna tea loosen and flush out the old fecal matter.
clay doesnt remove MP. clay absorbs and pulls toxins from your body.
the fiber pushes it through giving your colon walls something firm to push on and scrapes at build up.
the p&b shakes do something similar to the Master-Cleanse but you can eat normally. it can cause some people consitpation and does not rest the digestive system like the MC.