Here's some info on naturally increasing HGH(Human Growth Hormone)
There's a section about the liver, and as I've previously mentioned, limit the crap going in. A temporary liver-cleanse-smoothie-thingy will be as temporary as the program lasts. Food doesn't work as a temporary fix or band-aid.
Ratio of discipline should be higher than "reward". Don't quickly deny yourself the things you enjoy, that sense of deprivation can lead you to give up.
Pinpoint your goals, ask yourse ... lf what you'd be willing to sacrifice in order to hit those goals, and then make a plan.

Detox your liver - "This can be achieved by limiting the intake of processed, toxic foods and eliminating alcohol and exogenous drugs from your diet."