Saw Palmetto and Beta-Sitosterol: What Prostate Research Actually Shows
By Mark Reynolds | Men's Strength & Prostate Wellness Last Updated: March 28, 2026 · 10 min read Prostate health is one of those topics that most men avoid thinking about until they can't ignore it anymore. But here's a number that should get your attention: by age 60, over 50% of men will experience some degree of benign prostatic hyperplasia (BPH) — an enlargement of the prostate gland that can cause frustrating urinary symptoms. By age 85, that number rises to 90%. For decades, two natural compounds have dominated the prostate health conversation: Saw Palmetto (Serenoa repens) and Beta-Sitosterol . Both have been the subject of extensive clinical research — but what does that research actually show? And are these compounds genuinely effective, or has the evidence been overstated? Let's examine the data objectively. Understanding Why the Prostate Enlarges The prostate gland sits just below the bladder and surrounds the urethra — the tube that carries urine...