I think it is best when you do Clark's Liver Flush to follow her programs until you learn enough to modify to suit your body. She wrote that when a person is having serious problems with bile congestion and a build-up of gall stones to do the Liver-Flush as soon as possible. Although you may not get any stones out on the 1st Liver-Flush it will begin the process of breaking up the congestion. You can put off the parasite cleanse until you have relieved some of the congestion and that may take several LFs at 2 week intervals. Clark's kidney cleanse dissolves hard calcium stones, she did not use malic acid/apple juice and it also clears mineral deposits out of the kidneys and makes them more efficient in clearing toxins released in the Liver-Flush out of the body. Look also at Dr. Sutter's coke LF as some people have an easier time using this modification of Clark's LF.