It will temp boost GH levels but expect more of increase in testosterone and a drop in prolactin. The only problem with it, is that it contains EGCG's. While that extract of green tea acts a decarboxylase agent, it can have some negative effect on testosterone, I have read a study where it had...
The best way to put it, is N2KTS is in your face, while chews gonna boost your turbo pack just enough to fly through and still have some energy, yet fall asleep with ease.