Society of Diabetic Nephropathy Prevention Annals of Research in Antioxidants 2476-5511 2 1 2017 12 26 Tempol as an antioxidant; an updated review on current knowledge e01 e01 EN Sara Beigrezaei Hamid Nasri REVIEW 2016 10 15 2016 12 20 An antioxidant is a compound which reduces the oxidation of other molecules. Oxidation is a chemical reaction that can create free radicals, leading to chain reactions that may injure cells, so cause to diseases. Antioxidants end these chain reactions. Investigations have shown tempol can act as an antioxidant. In this review, tempol as supplement antioxidant is introduced for various diseases related to kidney diseases such as chronic kidney disease (CKD) and diabetic nephropathy (DN), etc.