Supplementswell supported · human dataDiscovery of the day
Pooled data from nine randomised trials found that green coffee bean extract produced small but significant reductions in both systolic and diastolic blood pressure, with the clearest effects in people with hypertension, at doses under 400 mg, and over 4 weeks of use.
- Study design
- Meta-analysis
- Journal
- Phytother Res
- Evidence
- well supported
What it shows: Decent evidence for a modest effect: nine trials pooled together and broadly agreeing with each other, but the reductions amount to a few points of pressure and showed up most clearly in people whose blood pressure was already high.Meta-analysis · Phytother Res
The effect of green coffee extract supplementation on blood pressure: A systematic review and meta-analysis of randomized controlled trials. Phytother Res 2019Read the study →