The effect of magnesium supplementation on serum concentration of lipid profile: an updated systematic review and dose-response meta-analysis on randomized controlled trials
Abstract
Some evidence suggests magnesium might reduce serum levels of lipid profile. Due to the significance of this matter on hand, we centralized our aim to conduct a systematic review and meta-analysis to interrogate the effect of magnesium supplementation on serum levels of total cholesterol (TC), triglyceride (TG), low density lipoprotein cholesterol (LDL-C), and high density lipoprotein cholesterol (HDL-C) in the general population aged ≥ 18 years. In line with conducting this study first, relevant articles were found through searching databases, including five databases: Cochrane Library, ClinicalTrials.gov, ISI Web of Science, Scopus, and PubMed until January 2024. Following fulfilling the first aim, their mean differences and standard deviations were calculated to conduct the meta-analysis. Ultimately, an assessment of the statistical heterogeneity of intervention effects was performed using I-squared statistics and Cochran’s Q test. Regarding serum levels of TC, TG, LDL-C, and HDL-C, twenty-one, twenty-three, twenty, and twenty-five studies were included in the meta-analysis. The pooled estimates showed no significant differences in serum levels of TC, TG, and LDL-C between the magnesium group and comparison group (weighted mean difference (WMD) = 0.34 mg/dl, 95% confidence interval (CI): -1.75 to 2.43, P = 0.749, I2 = 99.1%; WMD=-2.06 mg/dl, 95% CI: -6.35 to 2.23, P = 0.346, I2 = 99.1; WMD = 1.71 mg/dl, 95% CI: -0.81 to 4.24, P = 0.183, I2 = 99.4, respectively). However,…
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