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Updated: Jul 27, 2025

Diagonal Method to Measure Synergy Among Any Number of Drugs
Published on: June 21, 2018
Effect of the Combination of
Ana María García-Muñoz1, Ana I García-Guillén2, Desirée Victoria-Montesinos1
1Faculty of Pharmacy and Nutrition, UCAM Universidad Católica San Antonio de Murcia, 30107 Murcia, Spain.
Hibiscus sabdariffa (HS) combined with plant extracts shows promise for managing metabolic syndrome. This review found HS improved key health markers, suggesting a beneficial role in cardiovascular health.
Area of Science:
- Nutritional Science
- Cardiovascular Health
- Metabolic Disorders
Background:
- Metabolic syndrome increases cardiovascular disease and type 2 diabetes risk.
- Polyphenol-rich diets, particularly fruits and vegetables, offer cardiovascular protection.
- Hibiscus sabdariffa (HS) and plant extracts are being investigated for metabolic syndrome treatment.
Purpose of the Study:
- To systematically review and meta-analyze the effects of HS combined with other plant extracts on metabolic syndrome.
- To explore potential synergistic effects and therapeutic applications.
- To assess the impact on cardiovascular risk factors.
Main Methods:
- Systematic search of randomized clinical trials (RCTs) across four databases.
- Meta-analysis and qualitative analysis of eligible studies.
- Included seven RCTs with 332 participants.
Main Results:
- HS combined with plant extracts significantly improved anthropometric parameters.
- Blood pressure and lipid profiles (LDL cholesterol, total cholesterol) were positively affected.
- Compared to placebo, HS demonstrated beneficial cardiovascular effects.
Conclusions:
- HS in combination with other plant extracts may offer benefits for cardiovascular health in metabolic syndrome.
- Further research is required to establish optimal dosage and duration.
- Synergistic effects of HS and plant extracts warrant continued investigation.
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