Journal

Hibiscus

July 2, 2026 · Omnia Sana
Hibiscus sabdariffa
Family: Malvaceae  ·  Parts used: Calyx (dried flower calyces)  ·  Also known as: Roselle, Sorrel, Karkade

Key actions

Antidiabetic (blood-sugar lowering)AntihypertensiveAntioxidantLipid-lowering

Traditional & clinical uses, by strength of evidence

  • Cardiovascular / heart healthStrong
  • High blood pressureStrong
  • High cholesterolGood
  • Blood sugar / diabetes supportGood
  • Metabolic supportGood

Selected studies & references

ReviewEffect of the Combination of Hibiscus sabdariffa with Other Plant Extracts in the Prevention of Metabolic Syndrome: A Systematic Review and Meta-Analysis (2023)
ReviewA systematic review and meta-analysis of the effects of Hibiscus sabdariffa on blood pressure and cardiometabolic markers (2022)
ReviewEfficacy of Hibiscus sabdariffa on Reducing Blood Pressure in Patients With Mild-to-Moderate Hypertension: A Systematic Review and Meta-Analysis of Published Randomized Controlled Trials (2022)
ReviewEfficacy of Hibiscus sabdariffa on Reducing Blood Pressure in Patients With Mild-to-Moderate Hypertension: A Systematic Review and Meta-Analysis of Published Randomized Controlled Trials (2022)
ReviewHibiscus sabdariffa in Diabetes Prevention and Treatment – Does It Work? An Evidence-Based Review (2022)
ReviewOlive leaf extract effect on cardiometabolic profile among adults with prehypertension and hypertension: a systematic review and meta-analysis (2021)
ReviewThe efficacy of sour tea (Hibiscus sabdariffa L.) on selected cardiovascular disease risk factors: A systematic review and meta-analysis of randomized clinical trials (2020)
ReviewA review on phytochemistry and therapeutic uses of Hibiscus sabdariffa L. (2018)

All 30 studies in the Knowledge Finder →

Educational use only. This profile summarises traditional and scientific sources for reference. It is not medical advice and not a substitute for a qualified practitioner. Some plants carry safety cautions and drug interactions — always check before use.

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