Plant MedicineHibiscus (Roselle)
Hibiscus (Roselle)
Hibiscus sabdariffa
Family: Malvaceae
Also known as: Roselle, Sorrel, Agua de Jamaica
At a glance
Best for: Blood pressure reduction, Antioxidant, Cholesterol
Common forms: Tea, Juice, Extract
Evidence level: Well-supported
Cautions: May lower blood pressure significantly
What it is
Hibiscus sabdariffa (Roselle) produces large red calyces used to make a tart, cranberry-like tea popular worldwide as agua de Jamaica.
Traditional use
Used in West African and Latin American traditional medicine for high blood pressure, liver conditions, and as a refreshing beverage.
What modern research suggests (Well-supported)
Multiple RCTs show significant blood pressure reduction comparable to some medications. Studies show cholesterol-lowering and antioxidant effects.
Safety + interactions
Generally safe. May lower blood pressure—use caution if on antihypertensives. May affect estrogen levels. High vitamin C content.
May interact with: Antihypertensive medications, Diuretics
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Disclaimer: This content is educational and not medical advice. Always consult a qualified healthcare provider before using any herbs or supplements, especially if you are pregnant, nursing, taking medications, or have a medical condition.