Impact of Fasting Mimicking Diet (FMD) on cardiovascular risk factors: a systematic review and meta-analysis of randomized control trials

Abstract Introduction The Fasting Mimicking Diet (FMD) has gained significant attention as a potential intervention for reducing cardiovascular risk factors. While studies have investigated its effectiveness, findings have been inconsistent. Therefore, this systematic review and meta-analysis aimed...

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Main Authors: Milad Mohammadzadeh, Mahdi Amirpour, Hamid Ahmadirad, Fatemeh Abdi, Saman Khalesi, Niayesh Naghshi, Alireza Bahrami, Ehsan Hejazi
Format: Article
Language:English
Published: BMC 2025-04-01
Series:Diabetology & Metabolic Syndrome
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Online Access:https://doi.org/10.1186/s13098-025-01709-5
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author Milad Mohammadzadeh
Mahdi Amirpour
Hamid Ahmadirad
Fatemeh Abdi
Saman Khalesi
Niayesh Naghshi
Alireza Bahrami
Ehsan Hejazi
author_facet Milad Mohammadzadeh
Mahdi Amirpour
Hamid Ahmadirad
Fatemeh Abdi
Saman Khalesi
Niayesh Naghshi
Alireza Bahrami
Ehsan Hejazi
author_sort Milad Mohammadzadeh
collection DOAJ
description Abstract Introduction The Fasting Mimicking Diet (FMD) has gained significant attention as a potential intervention for reducing cardiovascular risk factors. While studies have investigated its effectiveness, findings have been inconsistent. Therefore, this systematic review and meta-analysis aimed to clarify evidence on the impact of FMD on cardiovascular risk factors. Method PubMed, Web of Science, Scopus, and Google Scholar were searched for eligible Randomized controlled trials (RCTs) published up to July 2024. Weighted mean differences (WMD) were calculated for the net changes in risk factors using random-effects models. Results Eleven RCTs (with twelve treatment arms) were included. FMD significantly reduced glycated hemoglobin (HbA1c) (WMD = -8.589 mmol/mol, 95% CI: −12.389, -4.769), insulin-like growth factor 1 (IGF-1) (WMD= -19.211 ng/ml, 95% CI: −32.986, -5.437), systolic blood pressure (SBP) (WMD = -4.148 mmHg, 95% CI: −7.584, -0.711), and diastolic blood pressure (DBP) (WMD = -2.263 mmHg, 95% CI: −4.162, -0.364) levels. No significant effects were observed on other cardiovascular risk factors. Conclusion This meta-analysis suggests that FMD can significantly reduce HbA1c, IGF-1, SBP, and DBP levels. Further research is warranted to investigate the long-term and potential clinical implications of FMD on cardiovascular health. Prospero registration The protocol of the study was registered in the International Prospective Register of Systematic Reviews (PROSPERO registration no: CRD42024569426).
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spelling doaj-art-f358a00cb6eb44d2a7d031b99fb201ea2025-08-20T03:15:09ZengBMCDiabetology & Metabolic Syndrome1758-59962025-04-0117111010.1186/s13098-025-01709-5Impact of Fasting Mimicking Diet (FMD) on cardiovascular risk factors: a systematic review and meta-analysis of randomized control trialsMilad Mohammadzadeh0Mahdi Amirpour1Hamid Ahmadirad2Fatemeh Abdi3Saman Khalesi4Niayesh Naghshi5Alireza Bahrami6Ehsan Hejazi7Department of Clinical Nutrition and Dietetics, Faculty of Nutrition Sciences and Food Technology, Shahid Beheshti University of Medical SciencesDepartment of Clinical Nutrition and Dietetics, Faculty of Nutrition Sciences and Food Technology, Shahid Beheshti University of Medical SciencesDepartment of Clinical Nutrition and Dietetics, Faculty of Nutrition Sciences and Food Technology, Shahid Beheshti University of Medical SciencesDepartment of Nutrition, Faculty of Nutrition and food science, Tabriz University of Medical SciencesAppleton Institute, School of Health, Medical and Applied Sciences, Central Queensland UniversityDepartment of Clinical Nutrition and Dietetics, Faculty of Nutrition Sciences and Food Technology, Shahid Beheshti University of Medical SciencesDepartment of Clinical Nutrition and Dietetics, Faculty of Nutrition Sciences and Food Technology, Shahid Beheshti University of Medical SciencesDepartment of Clinical Nutrition and Dietetics, Faculty of Nutrition Sciences and Food Technology, Shahid Beheshti University of Medical SciencesAbstract Introduction The Fasting Mimicking Diet (FMD) has gained significant attention as a potential intervention for reducing cardiovascular risk factors. While studies have investigated its effectiveness, findings have been inconsistent. Therefore, this systematic review and meta-analysis aimed to clarify evidence on the impact of FMD on cardiovascular risk factors. Method PubMed, Web of Science, Scopus, and Google Scholar were searched for eligible Randomized controlled trials (RCTs) published up to July 2024. Weighted mean differences (WMD) were calculated for the net changes in risk factors using random-effects models. Results Eleven RCTs (with twelve treatment arms) were included. FMD significantly reduced glycated hemoglobin (HbA1c) (WMD = -8.589 mmol/mol, 95% CI: −12.389, -4.769), insulin-like growth factor 1 (IGF-1) (WMD= -19.211 ng/ml, 95% CI: −32.986, -5.437), systolic blood pressure (SBP) (WMD = -4.148 mmHg, 95% CI: −7.584, -0.711), and diastolic blood pressure (DBP) (WMD = -2.263 mmHg, 95% CI: −4.162, -0.364) levels. No significant effects were observed on other cardiovascular risk factors. Conclusion This meta-analysis suggests that FMD can significantly reduce HbA1c, IGF-1, SBP, and DBP levels. Further research is warranted to investigate the long-term and potential clinical implications of FMD on cardiovascular health. Prospero registration The protocol of the study was registered in the International Prospective Register of Systematic Reviews (PROSPERO registration no: CRD42024569426).https://doi.org/10.1186/s13098-025-01709-5Fasting mimicking dietFMDCardiovascular risk factors
spellingShingle Milad Mohammadzadeh
Mahdi Amirpour
Hamid Ahmadirad
Fatemeh Abdi
Saman Khalesi
Niayesh Naghshi
Alireza Bahrami
Ehsan Hejazi
Impact of Fasting Mimicking Diet (FMD) on cardiovascular risk factors: a systematic review and meta-analysis of randomized control trials
Diabetology & Metabolic Syndrome
Fasting mimicking diet
FMD
Cardiovascular risk factors
title Impact of Fasting Mimicking Diet (FMD) on cardiovascular risk factors: a systematic review and meta-analysis of randomized control trials
title_full Impact of Fasting Mimicking Diet (FMD) on cardiovascular risk factors: a systematic review and meta-analysis of randomized control trials
title_fullStr Impact of Fasting Mimicking Diet (FMD) on cardiovascular risk factors: a systematic review and meta-analysis of randomized control trials
title_full_unstemmed Impact of Fasting Mimicking Diet (FMD) on cardiovascular risk factors: a systematic review and meta-analysis of randomized control trials
title_short Impact of Fasting Mimicking Diet (FMD) on cardiovascular risk factors: a systematic review and meta-analysis of randomized control trials
title_sort impact of fasting mimicking diet fmd on cardiovascular risk factors a systematic review and meta analysis of randomized control trials
topic Fasting mimicking diet
FMD
Cardiovascular risk factors
url https://doi.org/10.1186/s13098-025-01709-5
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