Metabolic Syndrome (MS) is linked to type of type 2 diabetes mellitus associated with high glucose level and insulin resistance. Central obesity is a symptom of MS, but adiposity rather than central obesity refer to fat accumulation in obese patients. Quercetin is a flavonoid which is useful so many disorders such as high cholesterol, insulin resistance, diabetes, obesity, and toxicity. The purpose of this study is to examine the relation between MS and oxidative stress, and effect of quercetin ...