Magnesium reduces inflammation (CRP) and increases nitric oxide – meta-analysis

Effect of Magnesium Supplementation on Inflammatory Parameters: A Meta-Analysis of Randomized Controlled Trials

Nutrients 2022, 14(3), 679; https://doi.org/10.3390/nu14030679

by Nicola Veronese 1ORCID,Damiano Pizzol 2ORCID,Lee Smith 3ORCID,Ligia J. Dominguez 1,4,* andMario Barbagallo 1ORCID

Only CRP and NO were signifcantly changed by Mg

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60% of trials found that CRP was reduced by Mg

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Amount of NO increase - similar for the 3 trials

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Magnesium trials: type, duration, and amount

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Magnesium (Mg) may have several beneficial effects on human health outcomes. One hypothesized mechanism eliciting such effects is the action of Mg on serum inflammatory parameters. However, studies on this topic to date have several important limitations. Therefore, the present systematic review and meta-analysis aimed to summarize the current state of the art of all randomized control trials (RCTs) investigating the effects of Mg supplementation versus placebo on serum parameters of inflammation. We searched several databases until 23 November 2021 for RCTs. Eligible studies were RCTs investigating the effect of oral Mg supplementation vs. placebo and having serum inflammatory markers as an outcome. Among 2484 papers initially screened, 17 randomized controlled trials (889 participants; mean age: 46 years; females: 62.5%) were included. Generally, a low risk of bias was present.

In meta-analysis, Mg supplementation significantly decreased serum C reactive protein (CRP) and increased nitric oxide (NO) levels . In descriptive findings, Mg supplementation significantly reduced plasma fibrinogen, tartrate-resistant acid phosphatase type 5, tumor necrosis factor-ligand superfamily member 13B, ST2 protein, and IL-1.

In conclusion, Mg supplementation may significantly reduce different human inflammatory markers, in particular serum CRP and NO levels.

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See also: Mg and NO on PubMed

  • Magnesium causes nitric oxide independent coronary artery vasodilation in humans - 2001 📄 PDF

  • Effects of magnesium on nitric oxide synthase activity in endothelial cells - 1995 - https://doi.org/10.1152/ajpcell.1995.269.3.C612

  • Serum Magnesium and Fractional Exhaled Nitric Oxide in Relation to the Severity in Asthma-Chronic Obstructive Pulmonary Disease Overlap - May 2021 https://doi.org/10.1007/s12011-020-02314-5


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