I am using saw palmetto and finasteride and so far so good. I have been using these two together for three weeks now. I decided to add saw palmetto having used it before prior to using finasteride and found i had little side affects from it. Although not enough to stop hairloss by itself, in my opinion it is a great addition to add to maximise the affects of finasteride. I dont think it'll be very affective on hairlines though. Expect more shedding.