If you take finasteride, then drop the Saw. Saw does the same thing...but about about 1/50th the strength (and, no, don't take 50x more Saw because then you'll have lots of problems). Personally, I would suggest to start at a lower dose, just so your body can get used to it (if it needs to). Take those quartered pills and use your fingernails, or a knife, to snip off the pointed edge until you have about 1/2 of that quartered pill. Take that for a month or 2. Don't worry about the pointed end that you snipped off, just let it fall down the sink because most of it's going to be powdered anyways, and 5mg of generic finasteride is so cheap that it's not going to affect your wallet.