Glutathione: The Bodys Master Antioxidant, ., ., Glutathione (GSH) is often referred to by scientists and nutritionists as the "Master Antioxidant." Unlike other antioxidants like Vitamin C or E, Glutathione is a natural substance in our bodies that helps protect our cells from damage. It's made from three amino acids, the building blocks of proteins. Glutathione works like a superhero, Glutathione Injections: Side Effects & Benefits Glutathione system enhancement for cardiac protection: pharmacological options against oxidative stress and ferroptosis Cell Death & Disease