Reece Smith 1986.

Study characteristics
Methods	Study design: parallel‐group randomized trial Study dates: not available Setting: inpatient, multicenter, national Country: UK
Participants	Inclusion criteria: Difficulty in micturition Impairment of urinary stream Urinary urgency Urinary hesitancy Urinary intermittency Terminal dribbling A sensation of incomplete voiding Average daytime micturitions Average nocturnal micturitions Libido Exclusion criteria: Malignant prostatic disease Symptoms did not fulfill the entry criteria Sample size: 70 randomized participants Age (years): Group 1 mean (SD): 66.15 (5.86) Group 2 mean (SD): 67.03 (6.03) IPSS score (baseline): not available Prostate size: not available
Interventions	Group 1 (n = 33): Permixon (2 capsules of 160 mg) once a day for 12 weeks. Contains fruits of Serenoa repens, a kind of palm tree Group 2 (n = 37): placebo once a day for 12 weeks Co‐interventions: none
Outcomes	Adverse events How measured: not described Time points measured: possibly at 12 weeks follow‐up Time points reported: possibly at 12 weeks follow‐up Subgroups: none Other outcomes measured in the trial: blood studies, urinary retention, and Qmax.
Notes	Funding sources: not available Declarations of interest: not available