It is not overrated. But has to used in efficient doses and for long duration of time.
HGH helps keep gains when off aas, makes less AAS needed to be big, helps recovery, melts fat, gets new tissue when 5UI and above and all other positive shit.
Negatives are price, risk of high blood pressure, risk of becoming diabetic, risk of cancer and risk of organ growth.
I have been on for 2 years and people who have not seen me in those 2 years can barely recognize me.