Breast cancer is a genetic disease caused by the accumulation of mutations in neoplastic cells and responsible for highest morbidity mortality. In this study, blood serum samples from 45 breast patients 32 healthy individuals (control group) were used. The amounts vitamins (A, E, β-carotene, C, B1, B2, B3, B5, B6, B9 B12), glutathione (GSH, GSSG) stress biomarkers (4-HNE, MDA) determined HPLC. ...