I'm 5'7 and I way about 165 and I have hardly no body fat and want to start a cycle. I take whey protein and workout like crazy. I took sustanon about 5 years ago and had good results, but had no idea really what I was doing at the time. I did not take any antiestrogens, I did not cycle off slowly or anything. I wouldn't mind doing it again, I just want to do it the right way this time.... Any help... Thanks