2015
DOI: 10.1111/eci.12534
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Effect of vitamins C and E on insulin resistance in diabetes: a meta‐analysis study

Abstract: The sole intake of VC, VE or their combination with other antioxidants could not improve insulin resistance in diabetes.

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Cited by 46 publications
(38 citation statements)
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“…There is evidence that vitamin C can improve DM2-related endothelial dysfunction and improve insulin resistance by improving insulin signaling 3,33 . Another hypothesis for the ability of vitamin C to reduce glycemia is related to lower oxidative stress, preventing the development of DM2 3 .…”
Section: Discussionmentioning
confidence: 99%
“…There is evidence that vitamin C can improve DM2-related endothelial dysfunction and improve insulin resistance by improving insulin signaling 3,33 . Another hypothesis for the ability of vitamin C to reduce glycemia is related to lower oxidative stress, preventing the development of DM2 3 .…”
Section: Discussionmentioning
confidence: 99%
“…Meta-analyses of several clinical trials on the efficacy of different antioxidants have yet failed to provide sufficient evidence for beneficial effects of antioxidant supplementation in diabetes or other chronic diseases. Worrisome are some trials that were interrupted prematurely due to adverse effects of some antioxidants that appeared to increased mortality (Bjelakovic et al, 2007;Han et al, 2012;Khodaeian et al, 2015;Kim et al, 2015;Tabatabaei-Malazy et al, 2014).…”
Section: Protective Mechanisms Against Oxidative Stressoxidative Condmentioning
confidence: 99%
“…diyabet hastalarında üçlü antioksidan tedavisinin (E vitamini, lipoik asit ve C vitamini) in vitro şart-larda methemoglobin oluşumu sırasında deneysel oksidatif stresi artırdığını ve in vivo olarak da hemoglobin glikasyonunu azalttığını ileri sürmüşlerdir (68). Yapılan bir metaanaliz çalışmasında E ve C vitaminlerinin tek başına ya da başka antioksidanlarla birlikte alınmasının diyabette insülin rezistansını iyileştirmediği görülmüştür (69). Bir başka ça-lışmada hipertansif ve/veya diyabetik obez hastalara günde 2 kez 500 mg C vitamini verildiğinde hs-CRP, IL-6 ve tokluk kan şekerinin azaldığı saptanmış ve C vitamininin güçlü antienflamatuvar etkiye sahip olduğu gösterilmiştir (70).…”
Section: Deneysel çAlışmalarunclassified