It seems to. I'm only about a month into it and I'm Now just starting to put in more reps. I started off light. But with some stretches I've notices a lot of erection quality gains and now seems to be about a 1/4 inch of length and slight girth. You can see the thinner part before my head about a 1/4 back from my head is all new and slowly getting longer and girthier up there. It like its blowing up like a balloon. Also my flaccid is way bigger now that I've done these.