I was wondering the exact same thing. I doubt if it works as well as Winny for local growth, but it can't do any harm either. I say do it. I just poked all my tris' heads (4 injections of 1/2cc each) earlier today before my tri workout and I got a nice pump. Now (about 7 hours later) they look a little swollen (in a good way)... kind of like a mild synthol-like effect I think.