More Research about Hibiscus Herbal Tea Benefits

Hibiscus herbal tea benefits have been passed down to us through age-old wisdom and are now being supported by modern-day scientific research studies.

Hibiscus tea is an herbal tisane made by steeping the vibrantly colored calyces from the hibiscus plant (most often the Hibiscus sabdariffa variety) in boiled water. Enjoyed either hot or chilled by so many people around the world, hibiscus tea is tart, aromatic, energizing - and brimming with health benefits!

Here are more discoveries about hibiscus herbal tea benefits (or click here if you'd rather read an overview of hibiscus tea benefits, without the research).

Hibiscus Herbal Tea Benefits for Diabetes

A 2008 Iranian study focused on the benefits of hibiscus tea for lowering high blood pressure (BP) levels in people with type 2 diabetes and mild hypertension.

In this study, the 60 participants, who were taking no prescription medication for hypertension, consumed either hibiscus or black tea twice each day for a month.

Each cup of tea was made from 2 g loose tea packaged in a sachet and steeped for 20 - 30 minutes in 240 ml (about 1 cup) boiled water with one sugar cube. The hibiscus tea was the Hibiscus sabdariffa variety.

Hibiscus Tea

Research results indicated that hibiscus tea was very effective in lowering high systolic BP levels in diabetic patients.

In this study, black tea was found to increase systolic BP levels.

Those with type 2 diabetes are at greater risk of developing high BP than those without diabetes. This study indicates that hibiscus tea may be a healthy, effective, natural way for diabetics to manage high BP.

Read more about this study here.

Hibiscus Tea Benefits & You!

If you've experienced the health benefits of hibiscus tea, why not share your thoughts and opinions about hibiscus tea with other visitors to our site? We'd love to hear from you! Click here to share your story. 

An Iranian study in 2009 focused on the potential health benefits of hibiscus tea and black tea for people with type 2 diabetes and unhealthy cholesterol levels. People with type 2 diabetes are also more likely to have high levels of bad (LDL) cholesterol and low levels of good (HDL) cholesterol.

In the study, 60 participants, each with diabetes, consumed either hibiscus tea (from the Hibiscus sabdariffa plant) or black tea twice each day for one month.

Research results showed that hibiscus tea significantly increased good (HDL) cholesterol levels, and decreased triglycerides, bad (LDL) cholesterol, and overall cholesterol. (Black tea was also found to increase good cholesterol levels in this research.)

You'll find the abstract for this study here.

Is all hibiscus tea good for me?

The hibiscus plant thrives in tropical and sub-tropical climates, and you'll find over 300 varieties of hibiscus worldwide. However, the Hibiscus sabdariffa and Hibiscus rosa-sinensis varieties are especially known for their health benefits.

Hibiscus Tea as a Cancer Fighter

In a laboratory study at Chung Shan Medical University in Taiwan in 2005, hibiscus extracts from the Hibiscus sabdariffa plant were found to induce cell death in 8 different kinds of cancer cells - most effectively in human gastric carcinoma cells.

The researchers attributed the hibiscus flower's potential as a cancer preventative (stomach cancer, in particular) to its polyphenols, which are potent antioxidants.

Interested in reading more? You can find this research abstract here.

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Did you miss the first page of Hibiscus Tea Research? You'll find it here. Or, if you're not really interested in more research, you'll find an overview of hibiscus tea benefits here (without the research details!).

A cup of hibiscus tea packs a powerful punch! Within the lovely hibiscus flower, we find a plethora of health and wellness benefits - from helping to control blood pressure and cholesterol levels to providing support for diabetics to protecting us from heart disease, cancer, and more...

This amazing herbal tisane is delicious, fragrant, and very, very healthy. Show your body some love and brew a cup (or two) today!

More about Hibiscus Tea Benefits

Hibiscus Tea Benefits - Drop by our Hibiscus Tea Benefits pages to learn more about the many ways this caffeine-free herbal tea can support good health.

Hibiscus Tea Benefits & You! - Have you experienced the benefits of hibiscus tea? Why not share your thoughts and advice about hibiscus tea with others - and read what other visitors to our site have to say about this delicious tea, too.

All about Hibiscus Tea - Do all hibiscus plants provide health benefits? Which part of the hibiscus plant is used to make hibiscus tea? Get answers to these questions and more on our Hibiscus Flower Tea page. 

Hibiscus Tea and Weight Loss - Can this tasty herbal tea really help with shedding those extra pounds? Learn more about the benefits of hibiscus tea for weight loss. 

Hibiscus Tea for Detox - Is your body needing a detox? Learn more about some rejuvenating, cleansing herbal teas (including hibiscus) that are ideal detox teas.  

Hibiscus Tea Research - Read up on recent scientific research focusing on hibiscus tea benefits for good health.


Haji Faraji M, Haji Tarkhani A. The effect of sour tea (Hibiscus sabdariffa) on essential hypertension. J Ethnopharmacol. 1999 Jun;65(3):231-6.

Herrera-Arellano A, Flores-Romero S, Chávez-Soto MA, Tortoriello J. Effectiveness and tolerability of a standardized extract from Hibiscus sabdariffa in patients with mild to moderate hypertension: a controlled and randomized clinical trial. Phytomedicine. 2004 Jul;11(5):375-82.

Lin HH, Huang HP, Huang CC, Chen JH, Wang CJ. Hibiscus polyphenol-rich extract induces apoptosis in human gastric carcinoma cells via p53 phosphorylation and p38 MAPK/FasL cascade pathway. Molecular Carcinogenesis. 2005 June;43(2):86–99.

McKay DL, Chen O, Saltzman E, Blumberg JB. Hibiscus Sabdariffa L. Tea (Tisane) Lowers Blood Pressure in Prehypertensive and Mildly Hypertensive Adults. J. Nutr. 2010 February;140(2):298-303.

Mozaffari-Khosravi H, Jalali-Khanabadi BA, Afkhami-Ardekani M, Fatehi F. Effects of sour tea (Hibiscus sabdariffa) on lipid profile and lipoproteins in patients with type II diabetes. J Altern Complement Med. 2009 Aug;15(8):899-903.

Mozaffari-Khosravi H, Jalali-Khanabadi BA, Afkhami-Ardekani M, Fatehi F, Noori-Shadkam M. The effects of sour tea (Hibiscus sabdariffa) on hypertension in patients with type II diabetes. Journal of Human Hypertension. 2009;23:48–54. 

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