The deep crimson calyces of Hibiscus sabdariffa are rich in anthocyanins and organic acids that give this widely enjoyed tisane its signature tartness and vibrant colour. Clinical studies support its use for lowering mild-to-moderate hypertension, improving lipid profiles, and providing potent antioxidant protection. It is a staple beverage across West Africa (bissap), Egypt (karkadeh), and Mexico (agua de jamaica).
calyx (dried flower)
tea, infusion, syrup, powder, food
1–2 tsp dried calyces per cup, steeped 5–10 min, 1–3 cups daily cold or hot
May modestly lower blood pressure — use cautiously with antihypertensive medication. Avoid in pregnancy in large amounts. May reduce iron absorption if consumed with meals — take between meals if anaemic.
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