Various Effects of Omega 3 and Omega 3 Plus Vitamin E Supplementations on Serum Glucose Level and Insulin Resistance in Patients with Coronary Artery Disease

Esmaeil YOUSEFI RAD, Lorestan University of Medical Sciences and Somayeh SABOORI, Tehran University of Medical Sciences and Mahmoud DJALALI, Qazvin University of Medical Sciences and Ebrahim Nematipour, Tehran University of Medical Sciences and Ali Akbar SABOOR-YARAGHI, Tehran University of Medical Sciences and Mohammad Hassan JAVANBAKHT, Tehran University of Medical Sciences and Mohammad Reza ESHRAGHIAN, Tehran University of Medical Sciences and Atena RAMEZANI, Mazandaran University of Medical Sciences and Fariba KOOHDANI, Tehran University of Medical Sciences (2016) Various Effects of Omega 3 and Omega 3 Plus Vitamin E Supplementations on Serum Glucose Level and Insulin Resistance in Patients with Coronary Artery Disease. Iran J Public Health, 45 (11). pp. 1456-1472.

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Abstract

Abstract Background: Omega 3 and vitamin E are two critical nutrients which include beneficial effects in coronary artery disease (CAD). The aim of this study was to assess the effects of omega 3 alone supplementation or in combination with vitamin E on serum glucose and lipid levels and insulin resistance in CAD patients. Methods: Participants of this clinical trial included 60 male patients with CAD who selected from Tehran Heart Cen-ter in Tehran, Iran in 2014. They received 4 g/day omega 3 plus 400 IU/day vitamin E (OE), 4 g/day omega 3 with vitamin E placebo (OP), or omega 3 and vitamin E placebo (PP) for two months. Serum glucose, lipids and insulin were assessed and HOMA-IR was calculated before and after the trial and effects of these nutrients on the highlighted parameters were compared within the study groups. Results: Serum glucose level increased significantly in OP group (P=0.004), but not in OE group. OE and OP groups showed a significant decrease in fasting serum TG (P=0.020 and P=0.001, respectively). Serum insulin and HOMA-IR decreased significantly in OE group (P=0.044 and P=0.039, respectively) but did not change significantly in OP group. Conclusion: Although, omega 3 supplementation may include adverse effects on serum glucose level, co-administration of omega 3 and vitamin E can beneficially decrease serum insulin and insulin resistance in CAD pa-tients. Keywords: CAD, Omega 3, Vitamin E, Glucose homeostasis, Insulin resistance

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