Frontiers Glutathione: Pharmacological aspects and implications for clinical use in non alcoholic fatty liver disease Structure of the tripeptide glutathione (GSH). Glutamic acid (Glu) is Download Scientific Diagram C peptide is a biomarker for beta cell function. In other words, it's a measure of beta cell health and insulin production, and is critical to developing new disease modifying therapies for type 1 Multi site DMS probing reveals higher order structure of RNA protein complexes in living cells: Molecular Cell