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 Glutathione prevents chronic oscillating glucose intake induced cell dedifferentiation and failure Cell Death & Disease Diabetes Mellitus Targeting Type 1 Diabetes The Scientist Happy Week 6! Check out the graphic to learn more about Glutathione Synthetase Deficiency.