Ok. I have had gyno since puberty. I have been running letro for over 1.5 months now at 2.5mg ED. It has shrunk the mass on both sides and my nips don't seem to be as puffy, but in no way has it fully reversed it and i don't think it really ever will. Surgery maybe my only option i think.
I think it would work successfully while on a cycle as it is powerful. The effect it has on my sex drive is unbelievable.