Numerous studies have investigated saw palmetto’s impact on benign prostatic hyperplasia (BPH). A meta-analysis of 18 randomized controlled trials, published in the Cochrane Database of Systematic Reviews, showed saw palmetto extracts provided modest improvement in BPH symptoms compared to placebo. This improvement was primarily observed in urinary flow rate and symptom scores, as measured by the International Prostate Symptom Score (IPSS).
However, the magnitude of benefit varied across studies. Some trials demonstrated significant improvements, while others showed no discernible difference from placebo. This variability might be attributed to differences in extract standardization, dosage, and study methodologies. Further research is needed to standardize saw palmetto preparations and optimize treatment protocols.
Another relevant study, a double-blind, placebo-controlled trial published in the Journal of Urology, evaluated saw palmetto’s effect on prostate volume. While it didn’t show significant changes in prostate volume, it demonstrated improvements in urinary flow rate and symptom scores, reinforcing the findings from other studies focusing on symptom relief.
It’s important to consult with a healthcare professional before using saw palmetto for BPH or any other condition. They can help determine if it’s appropriate for you and discuss potential interactions with other medications. Individual responses to saw palmetto vary considerably.


