Heart Health
Hibiscus Extract
Also known as: Hibiscus sabdariffa, Roselle
B
Evidence
Flower extract with evidence for mild blood pressure reduction. Pleasant tea form available.
Primary uses
- Blood pressure
- Antioxidant
- Diuretic effect
How it works
- ACE inhibitor-like activity
- Diuretic effect
- Antioxidant
Dosage
- Typical range
- 250mg extract or 3 cups tea daily
- Timing
- Any time
- With food
- Optional
- Duration
- 6+ weeks for BP effects
- Special populations
- Mild hypertension, tea lovers
Forms
- Extract capsules
- Tea
- Powder
Safety
Common side effects
- Diuretic effect
- GI upset
Contraindications
- Very low blood pressure
Evidence notes
Evidence for mild BP reduction
Grade B: Some human trials support key claims; further confirmation needed.
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