okay I thought it would be interesting to share my experience with PGF2a. I've started it three days ago now with AAS (propionate, NPP), my dosages were 1.5mg in each muscle 4 times a day ; okay so for the first shot in the next five minutes I felt sore in my deltoids but it was bearable, I then moved on to the gym but on the road suddently, bam, I had to take a **** badly, I've managed to rush at the gym's restrooms, anyway, it seems that now I'm used to this side effect and it has disappeared, however you still feel an intestinal discomfort, but the thing that made me quit that crap is the following : THE PUMPS hurts, it's not even pumps, it's cramps, I have cramps now everywhere in my legs just when I stand up, my forearms hurts so much when I trained that I had to quit, I walk like I've been shot in the ass, anyway, as far as the results, it has been too early to notice any benefits, although I saw a slight change in my shoulders.... that's it folks, bottom line, DO NOT stack it with androgens !!!!