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) Triple drug co delivery within nanosystems for synergistic anti infective, anti inflammatory, antinociceptive and neuroregenerative therapeutic effects: a focus on pharmacological and nanotechnological aspects ScienceDirect Ask the Doctors What do glutathione supplements do? UCLA Health FDA highlights concerns with using dietary ingredient glutathione to compound sterile injectables FDA Glutathione Deficiency Symptoms: Is Poor Sleep Just the Beginning? Cardiology & Neurology Specialists located in Queens, Forest Hills and Brighton Beach, Brooklyn, NY Advanced Medical Care Frontiers Safety assessment of sulfasalazine: a pharmacovigilance study based on FAERS database