I have taken saw palmetto for several years and found that it helped by urination. Yesterday, my radiation oncologist told me that it lowers PSA and Gleason readings and that is not a good thing. I'll let you know more when I talk to my urologist.
Gleason 3+3=6, T1c, one core in twelve, another pre-cancerous.
62 years old and good health. Married 37 years. To same woman!