I know a girl in my family who uses pharma GH and doesnt get much of anything out of 1-1.5 iu per day. Shes been on for 8 months or so
Yup, it doesn't do much of anything by itself. Steroids are a million times more effective.
A pro recently told me that GH is by his estimation responsible for maybe 7-15% of his physique, rest is steroids.
And this is with steroids, without steroids it doesn't do much at all.
A 10% is a lot to a pro of course after you've peaked with the steroids.