I do not recall Clark reporting elevated liver enzymes after using the herbs. Maybe you had some destruction of liver cells before starting the Clarkia and now that you are killing parasites there is a little more damage. Did you have before and after tests?
Do you have more serious symptoms of bile congestion than before starting the Clarkia ? You might want to do one of the less demanding Liver Flushes to wash out dead parasites and debries from the biliary system. Some people use the raw egg and avacado Liver flush. See Dr. Sutter's Coke LF.
Clark has a Liver Support Tea to clear toxins out of the liver.