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Magnesium Supplementation Beneficially Affects Depression in Adults With Depressive Disorder: A Systematic Review and Meta-Analysis of Randomized Clinical Trials Publisher



Moabedi M1 ; Aliakbari M1 ; Erfanian S2 ; Milajerdi A3
Authors
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Authors Affiliations
  1. 1. Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
  2. 2. Student Research Committee, Isfahan University of Medical Sciences, Isfahan, Iran
  3. 3. Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran

Source: Frontiers in Psychiatry Published:2023


Abstract

Background: The findings from randomized clinical trials (RCTs) examining the effect of magnesium supplementation on depression are inconsistent. We decided to conduct a meta-analysis that summarizes all the evidence on the impact of magnesium supplementation on depression scores in adults with depressive disorder. Methods: We conducted a systematic search in the online databases using all related keywords up to July 2023. We included all randomized clinical trials examining the effect of magnesium, in contrast to placebo, on depression scores. Results: Finally, seven clinical trials were included in this systematic review, building up a total sample size of 325 individuals with ages ranging from 20 to 60 years on average. These RCTs resulted in eight effect sizes. Our findings from the meta-analysis showed a significant decline in depression scores due to intervention with magnesium supplements [standardized mean difference (SMD): −0.919, 95% CI: −1.443 to −0.396, p = 0.001]. Conclusion: Our review suggests that magnesium supplementation can have a beneficial effect on depression. Future high-quality RCTs with larger sample sizes must be run to interpret this effect of magnesium on depression in clinical settings. Systematic review registration: https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=447909. Copyright © 2023 Moabedi, Aliakbari, Erfanian and Milajerdi.
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