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Accepted manuscript

Beneficial Effects of Okra (Abelmoschus esculentus L.) Consumption on Anthropometric Measures, Blood Pressure, Glycemic Control, Lipid Profile, and Liver Function Tests in Randomized Controlled Trials: A GRADE-Assessed Systematic Review and Dose-Response Meta-Analysis

Published online by Cambridge University Press:  26 February 2025

Ali Jafari
Affiliation:
Student Research Committee, Department of Community Nutrition, Faculty of Nutrition Sciences and Food Technology, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran Systematic Review and Meta-analysis Expert Group (SRMEG), Universal Scientific Education and Research Network (USERN), Tehran, Iran
Helia Mardani
Affiliation:
Student Research Committee, Department of Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
Bahare Parsi Nezhad
Affiliation:
Student Research Committee, Department of Nutrition, School of Health, Golestan University of Medical Sciences, Gorgan, Iran
Alireza Alaghi
Affiliation:
Systematic Review and Meta-analysis Expert Group (SRMEG), Universal Scientific Education and Research Network (USERN), Tehran, Iran
Amirhossein Sahebkar*
Affiliation:
Center for Global Health Research, Saveetha Medical College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
*
*Corresponding authors: Amirhossein Sahebkar, E-mail: amir_saheb2000@yahoo.com
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Abstract

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This review aimed to assess the impact of okra (Abelmoschus esculentus L.) consumption on cardiovascular disease risk factors. Relevant studies were identified through electronic searches of databases including PubMed, Scopus, Web of Science, CENTRAL, and EMBASE up to January 2025. Twelve trials involving 770 participants with interventions ranging from 2 to 12 weeks and doses varying from 125 to 40,000 mg/day, were included. Okra supplementation significantly reduced body mass index (BMI) (Standardized Mean Difference [SMD] = -0.70; 95% Confidence Interval [CI]: -1.23, -0.16; P = 0.011), fat mass (FM) (SMD = -0.74; 95% CI: -1.13, -0.36; P < 0.001), hip circumference (HC) (SMD = -0.85; 95% CI: -1.41, -0.28; P = 0.003), weight (SMD = -0.77; 95% CI: -1.42, -0.11; P = 0.022), fasting insulin (SMD = -0.35; 95% CI: -0.63, -0.07; P = 0.013), fasting plasma glucose (FPG) (SMD = -1.07; 95% CI: -1.75, -0.38; P = 0.002), hemoglobin A1c (HbA1c) (SMD = -0.38; 95% CI: -0.71, -0.05; P = 0.023), homeostatic model assessment of insulin resistance (HOMA-IR) (SMD = -0.56; 95% CI: -0.84, -0.29; P < 0.001), low-density lipoprotein cholesterol (LDL-C) (SMD = -0.32; 95% CI: -0.52, -0.11; P = 0.003), total cholesterol (TC) (SMD = -0.45; 95% CI: -0.74, -0.16; P = 0.003), and aspartate aminotransferase (AST) (SMD = -0.45; 95% CI: -0.73, -0.17; P = 0.002). Okra supplementation demonstrated significant benefits in improving anthropometric measures, glycemic control, lipid profiles, and liver function tests, suggesting its potential as an adjunct therapy for improving cardiovascular disease risk factors.

Type
Systematic Review and Meta-Analysis
Copyright
The Author(s), 2025. Published by Cambridge University Press on behalf of The Nutrition Society