Hibiscus tea, derived from *Hibiscus sabdariffa* calyces, contains anthocyanins and other polyphenols. It primarily acts as an ACE inhibitor-like agent and diuretic, contributing to blood pressure reduction. Its antioxidant properties may also mitigate oxidative stress, relevant for vascular health and overall longevity.
Verdict
Safe, evidence-backed support for cardiovascular health and blood pressure.
HEALTHSPAN IMPACT
Moderate
RISK LEVEL
Low
EVIDENCE GRADE
A
MONTHLY COST
$5 - $20
Protocol
- Consume 1-2 cups of hibiscus tea daily, brewed from dried calyces, for blood pressure and metabolic support.
Flags
- May interact with certain blood pressure medications, potentially causing hypotension.
- May interact with warfarin due to potential vitamin K content, increasing bleeding risk.
- Diuretic effect may increase excretion of some medications.
- Avoid during pregnancy due to potential emmenagogue effects.