I stopped because it might have been slowing down the shedding and possibly gave me regrowth, but it never amounted to anything substantial. I also remember I ran out, it was expensive, and I was concerned about the side effects.
I started up again a month ago and had terrible brain fog and headaches so I stopped again this time too. I could barely stay functional during the day. No sexual side effects though except minor groin pain which I had the first time around as well.
Still searching for a cure.... Right now I am taking the supplements elme suggested and using jojoba oil and aloe massaged into my scalp.