Two studies clearly show the reduction in blood pressure following supplementation with green coffee extract.
The first 12 week study has shown that taking 140mg of chlorogenic acid daily from green coffee bean extract significantly reduced blood pressure in people with mild hypertension. This reasonably small amount of chlorogenic acid has not presented any side-effects. (1)
Another study found that, after 28 days, mildly hypertensive participants taking 93mg and 185mg doses of green coffee bean extract have shown a reduction in both systolic and diastolic blood pressure.
The drop in blood pressure was dose related – the higher the dose, the bigger reduction in blood pressure. (2)
TIP: If you consider taking green coffee bean extract for blood pressure reduction, take into account the recommended daily dosage to avoid possible toxicity and be aware that you might lose some nutrients if you take it with meals.