I have not seen any medical studies regarding this. What are you trying to accomplish? Are you running anything else besides GH? Have you thought about Clenbuterol? What is your stats?
dude dont even do t3 it kills ur strength and training i just do hgh alone and it cuts bodyfat like crazy enough ill never touch t3 again it just kills your workouts...when i stopped it my bench literally went up almost 100lbs in a week