Meta-analysis2025Open access

Effect of Magnesium Supplements on Improving Glucose Control, Blood Pressure and Lipid Profile in Patients With Type 2 Diabetes Mellitus: <i>A systematic review and meta-analysis</i>

Maqrashi NA, Busaidi SA, Al-Rasbi S, Alawi AMA, Al-Maqbali JS

Sultan Qaboos University medical journal · 3 citations

Review labels

Funding not disclosed

Neutral facts our review recorded about how this study was done. They describe method, never whether we like the result.

How it was studied

Design
Meta-analysis (indexed by PubMed)
Studied in
People
Main outcome
Health markers and function

Who paid for it

Funding
Funding not disclosed

Publication

Published
2025-05-16 · Sultan Qaboos Univ Med J · vol. 25 · issue 1 · pp. 382–394
Publisher
Sultan Qaboos University
Cited
9 citations · more than 90% of similar papers · 2.5× the field average
Impact
Top 10% most cited in its field
References
5 works
Access
Open access (free to publish) · CC-BY
Research areas
Social and Behavioral Studies · Magnesium in Health and Disease · Apelin-related biomedical research
Keywords
Medicine, Diabetes mellitus, Lipid profile, Meta-analysis, Blood pressure, Type 2 Diabetes Mellitus, Internal medicine, Type 2 diabetes, Endocrinology
MeSH
humans, diabetes mellitus, type 2, magnesium, blood glucose, lipids, blood pressure, dietary supplements, aged, female, male, randomized controlled trials as topic, glycemic control, glycated hemoglobin

5 authors

From OM

  • Nasiba Al-MaqrashiOman Medical College
  • Salim Al BusaidiSultan Qaboos University Hospital
  • Sara Al-RasbiSultan Qaboos University Hospital
  • Abdullah Mohammed Al AlawiOman Medical College; Sultan Qaboos University Hospital
  • Juhaina Salim Al-MaqbaliSultan Qaboos University Hospital

Abstract

This study evaluated the effects of magnesium (Mg) supplementation on glycaemic control in type 2 diabetes mellitus through a meta-analysis of 23 randomised controlled trials involving 1,345 participants. Mg supplementation significantly increased serum Mg levels (weighted mean difference [WMD] = 0.69, 95% CI: 0.32 to 1.06) and reduced fasting blood glucose levels (WMD = -0.58, 95% CI: -0.87 to -0.28). However, the impact on glycated haemoglobin was minimal (WMD = -0.16, 95% CI: -0.32 to 0.00). Subgroup analysis showed a greater reduction in glycated haemoglobin among participants aged ≥65 years and those receiving longer durations of supplementation. Additionally, Mg supplementation was linked to lower diastolic blood pressure and potential improvements in lipid profile. This review highlights the importance of considering patient characteristics, dosage and intervention duration in future research on Mg supplementation for glycaemic control in diabetes.

Abstract via Europe PMC. Copyright remains with the authors or publisher (CC BY-ND).

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