Hibiscus
© Martin WallParts Used & Where Grown
Members of the Malvaceae family, various species of hibiscus are shrubs found practically around the globe. The flower of hibiscus is the part used as medicine. The most widely known and best-studied species tend to be annuals from the tropics, such as the two that are focused on here. There are, however, hardy perennial species that survive in colder climates. Another hibiscus not discussed here is Hibiscus esculenta, or okra.
- Reliable and relatively consistent scientific data showing a substantial health benefit.
- Contradictory, insufficient, or preliminary studies suggesting a health benefit or minimal health benefit.
- This interaction is supported only by weak, fragmentary, and/or contradictory scientific evidence.
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This supplement has been used in connection with the following health conditions:
| Used for | Amount | Why |
|---|---|---|
Hypertension | 2 tsp (5 to 6 grams) dried flowers brewed as tea, taken two to three times per day |  [2 stars] Two clinical trials have shown that hibiscus can lower blood pressure. The trials have suggested that Hibiscus sabdariffa tea may be as potent as some blood pressure medications. |
Type 1 Diabetes | Refer to label instructions |  [1 star] Hibiscus is a traditional remedy in India for diabetes, and is supported by preliminary research. |
Type 2 Diabetes | Refer to label instructions | [1 star] Hibiscus is a traditional remedy in India for diabetes, and is supported by preliminary research. |
Traditional Use (May Not Be Supported by Scientific Studies)
Teas made from hibiscus flowers and, occasionally, leaves are a very common beverage in tropical regions where they grow. The cool, astringent, acidic flavor is widely recognized and has made it a staple of “zinger” type teas in the United States. All parts of hibiscus plants are used traditionally. Due to their soothing (demulcent) and astringent properties, the flowers and leaves have been traditionally used to treat conditions such as cancer and gallbladder attacks, to lower blood pressure, to relieve dry coughs, and topically to treat skin afflictions.1 The root has been used as a tonic. The stems yield fibers that can be used to make rope or burlap.
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The information presented in Aisle7 is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires June 2013.