Episode 137: Best Of MTHFR with Dr. Ben Lynch Phoenix Helix Amazon.com: Seeking Health Glutathione Plus, 100 mg S Acetyl L Glutathione with Cofactors, Immune and Detoxification Support, Liver Health, Antioxidant and Free Radical Support, Vegetarian (60 Capsules) : Health & Household Flying is a massive cause of Dirty Genes. Flying is awesome and I'm extremely grateful to fly but sheesh it can beat you up. Exhaustion, time zone changes, uncertainty, exhaust fumes, radiation, Three amino acids walk into a bar.the adventures of supporting glutathione synthesis in fatty liver disease using serine & nicotinamide riboside Dr. Kara Fitzgerald