There are only two basic areas of cleansing that should be done in addition to the Master-Cleanse in my opinion and those would be Liver Flushes and parasite cleansing.
The Master-Cleanse cleanses the kidneys and colon nicely and everything else in between.
Liver Flushes are necessary to get the stones out of the liver and gallbladder and parasite cleansing is needed to clean out the critters.
I have concluded that these three protocols - Master Cleanse, liver flush, and parasite cleanse are all that are basically needed to keep a body optimally clean.
The other two areas to stay healthy and young are diet and exercise.