Glutathione Benefits for Your Health and Body Effects of Vitamin E and Glutathione on Glucose Metabolism Hypertension The Role of Glutathione and Its Precursors in Type 2 Diabetes 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 Natural Ways To Increase Your Glutathione Levels Podcast #292