The Effect of Hibiscus Sabdariffa L. Tea on Blood Pressure
Phase 1
Completed
- Conditions
- Hypertension
- Registration Number
- NCT00175110
- Lead Sponsor
- Tufts University
- Brief Summary
The goal of this study is to find out whether the plant compounds present in Hibiscus sabdariffa, a plant commonly used in herbal tea blends and other beverages, will have a beneficial effect on blood pressure in people with mildly elevated blood pressure.
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 66
Inclusion Criteria
- Systolic blood pressure 120-150 mm Hg
- Diastolic blood pressure 95 mm Hg or less
- Body mass index (BMI) 18.5-34.9 kg/m2
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Exclusion Criteria
- Smoking
- Use of medications that influence blood pressure
- Cardiovascular disease
- Chronic kidney disease
- Diabetes
- Regular use of vitamin C supplements (min 500 mg/day) within prior 30 days
- Regular strenuous aerobic activity greater than 30 min/day
- Excessive intake of caffeine or alcohol
- Pregnancy within last 6 months or during study period
- Abnormal complete blood count (CBC), urinalysis or electrocardiogram (EKG)
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Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- PARALLEL
- Primary Outcome Measures
Name Time Method
- Secondary Outcome Measures
Name Time Method
Trial Locations
- Locations (1)
Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University
🇺🇸Boston, Massachusetts, United States