Sorry to jump in like this on this thread, but gixxer I have to say I'm a bit disapointed in your comments. For a vet you shouldn't be bashing products that u haven't tried because u can't get infos on them. I'm using Endotropin right now and honestly its the best gh I've used. Even better then jins used to back in the days. I'm not gonna go in too many details here. But yes they are legit. And most likely the best gh out there right now.