“In contrast, HepG2 cells simultaneously treated with PEITC , I3C and AITC in combination with vitamin C showed a stronger inhibition of oxidative DNA‐damage induced by NDBA (0.1 µm, 67%, 42%, 32%, respectively) or NPIP (1 µm, 50%, 73%, 63%, respectively) than isothiocyanates (ITCs) alone.”