Determination of the effect of tomato juice consumption on blood antioxidative biomarkers in overweight and obese female students of Shiraz University of Medical Sciences Inclusion criteria: female, age between 20 and 30 years. Exclusion criteria: having any inflammatory diseases, including diabetes, CVD, multiple sclerosis, rheumatoid arthritis, cancers, asthma and allergies. Intake of any medication or vitamin/mineral supplement or any tobacco products. This study was a randomized controlled clinical trial conducted in 64 overweight or obese (BMI=25 kg/m2or higher) female students who were recruited from Shiraz University of Medical Sciences. Subjects randomly divided in to intervention (n=32) and control (n=32) groups and received tomato juice (330 ml/d) or water respectively for 20 days. At baseline and day 20, plasma TAC, erythrocyte SOD, GPx, and CAT and serum MDA were analysed and compared between two groups. Subgroup analysis also was performed with subjects divided as overweight or obese, according to their baseline BMI values.