Hibiscus sabdariffa

Studied for: Hypertension

Hypertension

What the research found

(sour tea) shows comparative efficacy to low-dose standard antihypertensives like lisinopril and hydrochlorothiazide with BP reductions by 7-23 mmHg in 13 RCTs.

Dose used in studies

1-10g/d

References

Odunaye-Badmus 2025

Not medical advice

Trials are run on specific people, for specific reasons, over a set period. Your medications, conditions and bloodwork can change what is safe for you. Ask a doctor or pharmacist before starting.