glutathione supplements skin benefits for Skin: Brightening, Anti-Aging, and More Liposomal Glutathione

This NBC-Los Angeles news story that aired Wednesday also does a good job summarizing concerns

The Phase II detoxification pathway, in which glutathione plays the central role, represents the critical step that converts potentially harmful substances into water-soluble compounds suitable for elimination

In agriculture, sulfur is an essential nutrient for plant growth, and sulfur-containing fertilizers are increasingly used to address deficiencies in soils

Generation of hydrogen peroxide by incidental metal ion-catalyzed autooxidation of glutathione

Tap water contains minerals, impurities, and microorganisms that will contaminate and degrade the peptide, rendering it unsafe and unusable for research.