If you have proper digestion with proper amounts of enzymes and stomach acids you will not have parasites or food residue in your stool. parasite infestation is a direct result of a toxic body mainly a toxic colon and that is explained right here on this cure zone website under diseases. Those that do not believe it can refer to it. You can rid yourself of parasites only to have them return because of the conditions inside the body conditions exactly like what you are describing. If its parasites its not good, if its undigested food its not good, and you need to address it.