You have one built in detoxification system that works 24 7 to keep you alive. Meet your body's Master Antioxidant: Glutathione. Often called the "mother of all antioxidants," Glutathione is a small protein StoryMD Glutathione Index Test Measure Antioxidant Levels At Home Fatty Acid Labs Assay for quantitative determination of glutathione and glutathione disulfide levels using enzymatic recycling method Nature Protocols