**UPDATE: Available, in-stock now. Also see Readisorb and Liposomal Glutathione by DFH. Glutathione is the master antioxidant in the body and is heavily concentrated in tissues such as the liver, spleen and heart. Therefore, it plays a crucial role in immune function, detoxification capacity and protection against oxidative stress. The L-Glutathione formulation is preformed, reduced glutathione (GSH) and provides a 250 mg dose in a one-capsule serving. 60 capsules.