http://www.drclark.net/en/cleanses_clean-ups/liver_cleanses/liver_cleanse.php
This is one high intensity liver cleanse. You will likely expel thousands of large and small stones filled with cholesterol and parasites.
I've done two of these. Just be sure you have a full day off for the day after the cleanse. I'd hold back on any heavy lifting until you get your liver tests in check. Lighter weights are probably okay.
Cardio would be great because you can really sweat out toxins and strengthen your heart and lungs.
Good luck!
Vinny