It should hehp. You will find that you can tighten up more with gh and increased recovery. Its not the fountaian of youth  like people say online but it will make a difference. I think that 18iu is far too high though. I would start with less, around 3iu. See how that works. Then if you want to incresase, go up 1iu at a time. I would run it for at least 5 months to get a good response from it