NAC vs Glutathione: Differences, Similarities And Health Benefits Glutathione You Are The Healer The Biological Functions of Glutathione Encyclopedia MDPI Glutathione is an amino acid and that acts as a powerful antioxidant to preserve and protect the brain and other body tissues by protecting them from the damage of free radicals and Glutathione: your body's master antioxidant & detoxifier Glutathione is the 2nd most abundant molecule in the body, just after water. Its made from three amino acids: glycine, cysteine, & glutamate. Glutathione is indeed the master antioxidant and is found in every cell in the body. It is made from the amino acids glycine, cysteine, and glutamic acid. . One unique thing