From what I am reading here igf1 seems to stabilize after a few days of GH usage.
https://academic.oup.com/jcem/article/84/2/553/2864291
There is not much info online about the proper protocol to test how good gh is but to me it seems like the timing is not very important as long as a few days...
Communication 10/10
Speed (3 day to door)
Been running 2.5 iu twice a day (first thing in morning and later in the day) for about a week
Noticing improved sleep (on 500mg tren a and would feel very restless trying to sleep especially after waking up in the middle of night to piss it would be...