Evidence brief · Supplement
Hibiscus for Blood pressure
Evidence grade B — Several mmHg
- Overall grade
- Grade B
- Last revised
- 1
- graded outcome
- 0
- references listed
Assembled by the app from other entries in this library. It adds no evidence of its own — follow the links to the entries it draws on.
1 at grade B — 1 graded row
What is known
Each outcome with its grade (how strong the evidence is, A to D), the size of the effect where the entry records one, and how often studies agree.
- Blood pressureEvidence grade B
Several mmHg
Moderatehigh
The evidence in words
The verdict
For blood pressure, Hibiscus earns evidence grade B (moderate effect, high consistency) — there is real evidence here. Several mmHg
How it might work
Anthocyanins with ACE-inhibiting and diuretic-like actions lowering blood pressure.
How to use it
2–3 cups of strong hibiscus tea daily, or a standardized extract.
Safety & cautions
Safe; additive blood-pressure lowering; caution in pregnancy and with some drugs.
Bottom line
A tasty, evidence-backed way to shave a few points off blood pressure. 2–3 cups daily; mind additive effects with BP meds.
How it is used
As the entry records it, from the studies it summarises. Not a recommendation for you — doses that suit a trial population may not suit you.
- Standard
- 2–3 cups strong tea/day.
Goes with
- HibiscusRead the full Hibiscus monographEvidence grade B
Related reading
Entries that share this one's tags or conditions.
- Cocoa Flavanols for Blood pressureEvidence grade B — Modest reductionEvidence grade B
- Nattokinase for Blood pressureEvidence grade C — ModestEvidence grade C
- Cocoa Flavanols for Cognition / brain blood flowEvidence grade C — EmergingEvidence grade C
- Cocoa Flavanols for Endothelial functionEvidence grade B — Flow-mediated dilationEvidence grade B
Sources
This entry lists no references of its own — it is assembled from the entries it links to, whose sources are on their pages.
Last revised . A grade is this entry's reading of the evidence, not medical advice.