hibiscus lowers blood pressure better than placebo and as well as drugs

One of nature’s surprises is that that beautiful hibiscus flower growing in your backyard is a powerful treatment for high blood pressure.

A just-published systematic review and meta-analysis has continued to build on the evidence for this gentle flower. The analysis included 13 studies that compared hibiscus to placebo or high blood pressure drugs. Everyone in the studies had either mild to moderate high blood pressure or metabolic syndrome.

Curiously, hibiscus did not seem to have a statistically significant effect on high blood pressure when it was part of metabolic syndrome. This finding is curious since hibiscus has been demonstrated to help, not only high blood pressure, but also blood sugar: two important components of metabolic syndrome.

Whatever the reason hibiscus did not help in metabolic syndrome, it was proven, once again, to help high blood pressure. Compared to placebo, it significantly lowered both systolic and diastolic blood pressure. Compared to drugs, it was as effective. A number of studies have actually shown that hibiscus works better than the drugs captopril and hydrochlorothiazide.

A previous systematic review and meta-analysis of five controlled studies also found that hibiscus significantly lowers both systolic and diastolic blood pressure (J Hypertens. 2015 Jun;33(6):1119-27).


J Cardiovasc Pharmacol. 2021 Oct 20. doi: 10.1097/FJC.0000000000001161


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