Evidence
1 record1 recordBest grade:Low
The evidence for saw palmetto's effectiveness in alleviating BPH symptoms is mixed, with some studies suggesting benefits while a large NIH-funded trial found no significant improvement over placebo. The overall strength of evidence is low, and further research is needed to clarify its role.
BPH symptoms / urinary flowMen with mild-moderate BPH · Meta-analyses (conflicting)Low
BPH symptoms / urinary flow
Men with mild-moderate BPH · Meta-analyses (conflicting)
Some meta-analyses show benefit; large NIH-funded RCT found no improvement vs placebo. Effect remains debated.
Dose: 320 mgDuration: 4–12 weeks
Well tolerated; may affect PSA levels — inform clinician if tested.
Stacks containing Saw Palmetto
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Community Insights
Forms & usage▾
How to take it
Take 320 mg of saw palmetto extract daily, preferably with meals.
Lipophilic extract (85–95% fatty acids)
Extract form required; raw berry ineffective.
Safety & trade-offs2▾
Note
May suppress PSA (prostate-specific antigen) levels, potentially masking prostate conditions — always inform your doctor if PSA testing is planned
Hormones
Possible hormonal effects — theoretical concern for hormone-sensitive conditions
●High ●Moderate ● Low / note
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