Effects of Coenzyme Q10 on Lipid, Glycemic, and Inflammatory Markers in Metabolic Disorders: A Systematic Review and Meta-Analysis
Abstract
Background: The rising prevalence of metabolic disorders characterized by dyslipidemia and impaired glucose metabolism has increased interest in effective nutritional supplements. This systematic review and meta-analysis was conducted to evaluate the effects of coenzyme Q10 (CoQ10) on lipid profile, glycemic control, and inflammatory markers.
Methods: PubMed, Web of Science, Scopus, Embase, Cochrane Library, and ClinicalTrials.gov were searched for eligible randomized controlled trials (RCTs). Random-effects models were applied to pool weighted mean differences (WMDs) or standardized mean differences (SMDs) with 95% confidence intervals (CIs).
Results: A total of 64 RCTs (3422 participants) were included. Lipid profile: CoQ10 supplementation significantly improved blood triglyceride (TG, WMD = -5.67 mg/dL; 95% CI: -10.57, -0.77; p = 0.023), total cholesterol (TC, WMD = -4.86 mg/dL; 95% CI: -8.41, -1.30; p = 0.007), high-density lipoprotein cholesterol (HDL-C, WMD = 1.07 mg/dL; 95% CI: 0.22, 1.92; p = 0.013), and low-density lipoprotein cholesterol (LDL-C, WMD = -3.98 mg/dL; 95% CI: -7.00, -0.97; p = 0.010). Glycemic control: CoQ10 significantly reduced hemoglobin A1C (HbA1c, WMD = -0.22%; 95% CI: -0.37, -0.06; p = 0.006), fasting glucose (WMD = -10.07 mg/dL; 95% CI: -14.75, -5.39; p < 0.001), fasting insulin (FINS, WMD = -2.94 μIU/mL; 95% CI: -4.63, -1.25; p = 0.001), and homeostasis model assessment-insulin resistance (HOMA-IR, WMD = -0.82; 95% CI: -1.36, -0.28; p = 0.003).…
How strong is the evidence?
Evidence Hub reads this as a meta-analysis, done in people. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid. Reported size: 3,422 participants or records.
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