Dose/route: a randomized trial used 300 mg/day oral standardized Bacopa monnieri extract for 12 weeks, exactly matching the card dose.
Standardized B. monnieri extract 300 mg/day or a similar placebo tablet orally for 12 weeks.
Evidence scope. Human RCT, healthy elderly subjects (mean age 73.5); this is a dose/route data point, not a population-generalized efficacy claim.