If you have a sulfur sensitivity, glutathione can be problematic. Glutathione is primarily made up of sulfur, which can cause issues for those with a sulfur sensitivity. While Glutathione is an The Glutathione System: A Journey from Cyanobacteria to Higher Eukaryotes Studies on the Changes in Reduced Glutathione of Chick Tissues during Onset and Regression of Nutritional Muscular Dystrophy l Cysteine Glutathione Mixed Disulfide, a Novel Bioavailable Sulfhydryl Modified Glutathione Precursor, Protects against Early Liver Injury Induced by Short Term Hypercholesterolemia Chemical Research in Toxicology