Studies related to Blood Pressure and Hibiscus sabdariffa

The Effects Of Sour Tea (Hibiscus Sabdariffa) On Hypertension In Patients With Type II Diabetes

Effect Decrease
Trial Design Double blind
Trial Length n/a
Number of Subjects 60
Gender n/a
Notes for this study:
30 days of consuming Roselle tea was able to significantly reduce systolic, but not diastolic, blood pressure in type II diabetics.

Effectiveness And Tolerability Of A Standardized Extract From Hibiscus Sabdariffa In Patients With Mild To Moderate Hypertension: A Controlled And Randomized Clinical Trial

Effect Decrease
Trial Design Cohort
Trial Length n/a
Number of Subjects 75
Gender n/a
Notes for this study:
10g of Hibiscus calyx made into tea and drunk with breakfast daily for 4 weeks appears to be as effective as 50mg Captopril in reducing blood pressure

Hibiscus Sabdariffa L. Tea (tisane) Lowers Blood Pressure In Prehypertensive And Mildly Hypertensive Adults

Effect Decrease
Trial Design Double blind
Trial Length n/a
Number of Subjects 65
Gender n/a
Notes for this study:
(Placebo tea was cranberry and raspberry, with flavoring and coloring agents to mask the difference without adding anthocyanins)

Hibiscus tea is associated with reduced systolic and diastolic blood pressure over 6 weeks, with significance at 2 weeks, in prehypertensive and hypertensive adults.

Effects Of Hibiscus Sabdariffa Extract Powder And Preventive Treatment (diet) On The Lipid Profiles Of Patients With Metabolic Syndrome (MeSy)

Effect None
Trial Design Cohort
Trial Length 1-6 months
Number of Subjects 94
Gender Both Genders
Age Range 45-64
Body Types Obese
Notes for this study:
No control group, but relative to baseline 100mg of a 19% anthocyanin extract was able to reduce various measured parameters over 31 days in persons with metabolic syndrome

Clinical Effects Produced By A Standardized Herbal Medicinal Product Of Hibiscus Sabdariffa On Patients With Hypertension. A Randomized, Double-blind, Lisinopril-controlled Clinical Trial

Effect Decrease
Trial Design Double blind
Trial Length n/a
Number of Subjects 60
Gender n/a
Notes for this study:
250mg of Anthocyanins from Roselle were able to reduce blood pressure 12.21% over a month, but underperformed to 10mg Lisinopril

The Effect Of Sour Tea (Hibiscus Sabdariffa) On Essential Hypertension

Effect Decrease
Trial Design Cohort
Trial Length n/a
Number of Subjects 31
Gender n/a
Notes for this study:
Within 15 days of supplementing tea made from Roselle, blood pressure dropped in persons with essential hypertension by 11.2% (systolic) and 10.7% (diastolic)