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 Dietary Supplements Potentially Target Plasma Glutathione Levels to Improve Cardiometabolic Health in Patients with Diabetes Mellitus: A Systematic Review of Randomized Clinical Trials High protein, low glycemic index snack from optimized blend of three wholegrains exhibits nutraceutical quality and elicits low glycemic response in diabetic human subjects Food Production, Processing and Nutrition Springer Nature Amazon.com: Blood Sugar Complex Supplement Supports Healthy Blood Sugar Levels Already Within Normal Range All Natural with Cinnamon, Bitter Melon, Chromium, Mulberry, Alpha Lipoic Acid, Non GMO, 60 Capsules : Health & The Role of Glutathione and Its Precursors in Type 2 Diabetes What is Glutathione? What are the Benefits of Glutathione?