Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Adverse effects
RCT	66 people In review	Proportion of people with diarrhoea 12 weeks 3% with ginkgo biloba (120 mg/day) 6% with placebo Absolute numbers not reported	Significance not assessed
RCT	66 people In review	Proportion of people with headache 12 weeks 3% with ginkgo biloba (120 mg/day) 3% with placebo Absolute numbers not reported	Significance not assessed