Suppression of DNA/RNA and protein oxidation by dietary supplement which contains plant extracts and vitamins: a randomized, double-blind, placebo-controlled trial oleh Elizabeth Fragopoulou, Lamprini Gavriil, Chrysa Argyrou, Ioannis Malagaris, Maria Choleva, Smaragdi Antonopoulou, Georgia Afxentiou, Eleana Nikolaou