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A Meta-Analysis of Effects of Vitamin E Supplementation Alone and in Combination With Omega-3 or Magnesium on Polycystic Ovary Syndrome Publisher Pubmed



Heidari H1 ; Hajhashemy Z1, 2 ; Saneei P1
Authors
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Authors Affiliations
  1. 1. Department of Community Nutrition, School of Nutrition and Food Science, Nutrition and Food Security Research Center, Isfahan University of Medical Sciences, PO Box 81745-151, Isfahan, Iran
  2. 2. Students’ Scientific Research Center, Isfahan University of Medical Sciences, Isfahan, Iran

Source: Scientific Reports Published:2022


Abstract

Vitamin E supplementation might have favorable effects on risk factors of polycystic ovary syndrome (PCOS). This systematic review and meta-analysis aimed to summarize the effects of vitamin E supplementation or vitamin E in combination with omega-3 or magnesium on PCOS. PubMed, Scopus, ISI Web of Science, Cochrane, Embase electronic databases, and Google scholar were searched for all available articles up to September 2022. Randomized controlled trials (RCTs) that examined the effect of vitamin E supplementation or vitamin E in combination with omega-3 or magnesium on lipid and glycemic profiles, anthropometric measurements, biomarkers of inflammation and oxidative stress, hormonal profile, and hirsutism score in patients with PCOS were included. Ten RCTs (with 504 participants) fulfilled the eligible criteria. Vitamin E supplementation or vitamin E in combination with omega-3 or magnesium in comparison to placebo could significantly reduce serum levels of TG (weighted mean difference: − 18.27 mg/dL, 95% CI − 34.68 to − 1.87), VLDL (− 5.88 mg/dL, 95% CI − 8.08 to − 3.68), LDL-c (− 12.84 mg/dL, 95% CI − 22.15 to − 3.52), TC (− 16.30 mg/dL, 95% CI − 29.74 to − 2.86), TC/HDL-c ratio (− 0.52, 95% CI − 0.87 to − 0.18), hs-CRP (− 0.60 ng/mL, 95% CI − 0.77 to − 0.44), hirsutism score (− 0.33, 95% CI − 0.65 to − 0.02) and significantly increase nitric oxide levels (2.79 µmol/L, 95% CI 0.79–4.79). No significant effect was found on HDL-c, glycemic indices, hormonal profile, anthropometric measurements, and other biomarkers of inflammation or oxidative stress. This meta-analysis highlights the potential anti-hyperlipidemic, anti-oxidant, and anti-inflammatory properties of vitamin E supplementation alone or in combination with omega-3 or magnesium on PCOS patients. © 2022, The Author(s).
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