Glutathione is the master anti-oxidant of the body. All other antioxidants must transfer the free radical to glutathione to finally rid the body of that problem. S-Acetyl Glutathione is an acetylated form of glutathione. This form is well-absorbed and more stable throughout the digestive tract than other forms of glutathione supplements. One capsule provides: (S-Acetyl)-L-Glutathione 300 mg * * Daily vallue not established. Other ingredients: Microcrystalline cellulose Suggested dose: For adults and children over the age of 12 as a dietary supplement. Adults take one capsule daily or as directed by a healthcare professional.