A50# Old School Moderator Staff member Moderator Registered Joined Jun 20, 2002 Messages 3,548 May 20, 2003 #1 Will using moderate doses of Letrozole slow down muscle gains to any degree? Also, I'm using 6 iu of GH per day and I'm wondering if Letrozole would have any negative effects on my GH use?
Will using moderate doses of Letrozole slow down muscle gains to any degree? Also, I'm using 6 iu of GH per day and I'm wondering if Letrozole would have any negative effects on my GH use?