Efficacy and safety of Hibiscus sabdariffa in cardiometabolic health: An overview of reviews and updated dose-response meta-analysis

IF 3.3 3区 医学 Q1 INTEGRATIVE & COMPLEMENTARY MEDICINE Complementary therapies in medicine Pub Date : 2025-01-25 DOI:10.1016/j.ctim.2025.103135
Mostafa Norouzzadeh , Minoo Hasan Rashedi , Mohammad Hesam Azizi , Farshad Teymoori , Zohreh Maghsoomi , Farzad Shidfar
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引用次数: 0

Abstract

Background

Conventional treatments for cardiometabolic diseases face limitations related to cost, efficacy, and side effects. Hibiscus sabdariffa (HS) is a common food product and a potential alternative. However, previous studies have shown inconsistent results and lacked assessments of result certainty, intervention safety, and subgroup analysis credibility. This study evaluated the efficacy and safety of HS on blood pressure (BP), lipid profiles, glycemic control, anthropometric parameters, inflammatory markers, oxidative stress indicators, and liver enzymes.

Methods

To conduct this umbrella review, a systematic search of eligible meta-analyses was performed up to May 2024. The random-effects model was used to synthesize results from individual trials. Quality, certainty, and credibility of evidence were evaluated using the Cochrane Risk of Bias tool, AMSTAR-II, GRADE, and ICEMAN frameworks.

Results

Data from 26 randomized controlled trials involving 1797 participants revealed that HS dose-dependently reduced systolic and diastolic BP compared to placebo and other teas. Although no significant differences were found between HS and antihypertensive drugs, HS showed moderate credibility for therapeutic BP reduction (> 10 mmHg), especially in individuals over 50 years, in trials lasting over four weeks, and in those with a low risk of bias. HS also reduced total cholesterol, LDL-C, fasting blood glucose, and increased HDL-C. A minor, clinically insignificant increase in aspartate aminotransferase was observed without elevating adverse event risks.

Conclusions

HS showed BP-lowering effects comparable to antihypertensive drugs and beneficial impacts on lipid and glycemic profiles. Although HS is generally considered safe, long-term and therapeutic dosing safety requires careful monitoring.
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来源期刊
Complementary therapies in medicine
Complementary therapies in medicine 医学-全科医学与补充医学
CiteScore
8.60
自引率
2.80%
发文量
101
审稿时长
112 days
期刊介绍: Complementary Therapies in Medicine is an international, peer-reviewed journal that has considerable appeal to anyone who seeks objective and critical information on complementary therapies or who wishes to deepen their understanding of these approaches. It will be of particular interest to healthcare practitioners including family practitioners, complementary therapists, nurses, and physiotherapists; to academics including social scientists and CAM researchers; to healthcare managers; and to patients. Complementary Therapies in Medicine aims to publish valid, relevant and rigorous research and serious discussion articles with the main purpose of improving healthcare.
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