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Research · Meta-analysis

Meta-analysis of randomized controlled trials on cognitive effects of Bacopa monnieri extract

What it found

Improved processing speed (choice reaction time ~10.6 ms faster, Trail-B ~17.9 ms faster); benefit was concentrated in speed of attention, with calls for larger trials.

Design
Meta-analysis
Year
2014
Sample size
437
Population
adults across 9 RCTs (healthy and some impaired)
Intervention
standardized Bacopa monnieri extract (~300 mg/day) for ~12 weeks
Outcome
cognitive test performance (attention/processing speed, memory)
Journal
Journal of Ethnopharmacology

Citation last checked 2026-06-21.