I tried it twice, a long time ago. I did not shoot it though, I snorted it in it's powder form. I couldn't tell you what it feels like, though, because it didn't do anything to me!? I did enough of it that I should have felt it. In fact, the guy that I was with that gave it to me said I did a "junkie amount" of it. The only thing I ever felt from it was, for about 5 minutes, I got really hot and a little nauseous. But that passed and that was it. The dude that gave it to me was addicted and it got him high. So I'm fairly certain it wasn't that the stuff I did was no good. I thought maybe I didn't feel it because I had been drinking and smoking pot before I did it, but the guy claimed that heroin can bring you off an acid trip...which means alcohol and weed are certainly not going to keep me from feeling it. So, I'm not sure what that is all about...is it possible to be, for lack of a better word, immune to something like heroin?