Leucovorin (also called folinic acid) is a folate analog and chemoprotective agent. It's used to rescue healthy cells from the toxic effects of high dose methotrexate, to enhance the effectiveness of fluorouracil (5 FU) Toxicity of Glutathione Binding Metals: A Review of Targets and Mechanisms Toxicity of Glutathione Binding Metals: A Review of Targets and Mechanisms Frontiers Increased expression of glutathione peroxidase 3 prevents tendinopathy by suppressing oxidative stress Evaluation of drug induced liver toxicity of trovafloxacin and levofloxacin in a human microphysiological liver model Scientific Reports