So, when we say glutathione is reduced, we mean it can remove oxygen or ROS hence its being an "antioxidant" after which the glutathione becomes oxidized
Its a vitamin superhero that is essential to life, yet 40-70% of surgery patients are deficient before and after surgery
PLoS One 11:e0147218 Tang Y, Chen Y, Jiang H, Nie D (2011) Short-chain fatty acids induced autophagy serves as an adaptive strategy for retarding mitochondria-mediated apoptotic cell death
Major sources include: Foods Rich in Vitamin B12 Vitamin B12 is naturally found primarily in animal-based foods, such as: Beef liver and pork liver (the most concentrated sources) Red meat, poultry, and fish Eggs, especially egg yolks Shellfish such as clams and oysters Fatty fish like salmon, tuna, and sardines Dairy products including cows milk, yogurt, and cheese For individuals who follow a vegetarian diet, Vitamin B12-fortified foods can be a helpful choice, such as fortified cereals or fortified soy milk