Glutathione is the most important molecule you need to stay healthy and prevent disease yet you've probably never heard of it. It's the secret to prevent aging, heart disease, dementia and Glutathione IM The Center Medical 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 Injections: Side Effects & Benefits