These studies consistently show that hibiscus tea can effectively lower blood pressure in individuals with hypertension or prehypertension. The evidence supports the use of hibiscus as a natural approach to managing high blood pressure. However, it's important for individuals to consult with healthcare providers before starting any new treatment, especially if they are already on medication for hypertension. How? The science: Hibiscus tea has a mild diuretic effect, meaning it increases urine pr