INLIFE L Glutathione Reduced 500mg Grape Seed Extract, Vitamin C, Hyaluronic Acid, Niacinamide, Vitamin E, Lycopene & Biotin Antioxidant Complex for Skin & Immune Support 30 Vegetarian Capsules (Pack of Herbal Approaches to Gastrointestinal Disorders: Integrating Tradition and Science 15 Glutathione Benefits: How to Improve Your Mind & Body Glutathione system enhancement for cardiac protection: pharmacological options against oxidative stress and ferroptosis Cell Death & Disease Does Glutathione Cause Diarrhea? Understanding the Link Between Glutathione Supplementation and Digestive Health Cymbiotika CYMBIOTIKA 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)