Mark Hyman, MD Physician Advocate Educator Podcast Host Reclaim Your Kitchen with Dr. Mark Hyman Cleveland Clinic Glutathione is such a critical soldier in our line of defense that our bodies make it themselves. We even have mechanisms that recycle and reuse it. But what happens when our toxic Mark Hyman, MD Physician Advocate Educator Podcast Host Three amino acids walk into a bar.the adventures of supporting glutathione synthesis in fatty liver disease using serine & nicotinamide riboside Dr. Kara Fitzgerald