R redhell New member Jun 18, 2006 #1 Does IGF-1 supress natural testosterone levels or does it operate similar to HGH in that it has nothing to do with testosterone? Thanks for the help!
Does IGF-1 supress natural testosterone levels or does it operate similar to HGH in that it has nothing to do with testosterone? Thanks for the help!
R redhell New member Jun 18, 2006 #3 Hbga? What's that? Sorry guys, I am new to the game! (I'm sure you can tell)
F fun28hi New member Jun 18, 2006 #4 igf does not effect your natural test production in a negative way