Effectiveness Rating for Hibiscus Extract's Ability to Lower Blood Pressure

The effectiveness rating is a measure of how well hibiscus extract is able to lower blood pressure. The overall rating for this claim is 2.2 out of 3. There is some research showing the supplement's ability to deliever on this particular claim is warranted. Using Hibiscus Extract to lower blood pressure may lead to positive results.

Confidence Rating for Hibiscus Extract's Ability to Lower Blood Pressure

The confidence rating is a mesure of how valid the effectiveness rating is. This rating is based on how many studies are included in the database on this topic.

There are 5 studies in the database on hibiscus extract; the confidence rating is 100. A score above 80 means the effectiveness rating for this supplement is reliable. A score under 80 means there is insufficient evidence to ensure a reliable effectiveness rating.


Title of Study
The effect of green tea and sour tea on blood pressure of patients with type 2 diabetes: a randomized clinical trial
Clinical effects produced by a standardized herbal medicinal product of Hibiscus sabdariffa on patients with hypertension. A randomized, double-blind, lisinopril-controlled clinical trial
Hibiscus sabdariffa L. tea (tisane) lowers blood pressure in prehypertensive and mildly hypertensive adults
The effects of sour tea (Hibiscus sabdariffa) on hypertension in patients with type II diabetes
Effectiveness and tolerability of a standardized extract from Hibiscus sabdariffa in patients with mild to moderate hypertension: a controlled and randomized clinical trial