Pure Encapsulations Liposomal Glutathione - an antioxidant formula designed to protect and support cellular function. Glutathione is a key component of the antioxidant system, which protects the body from free radicals at the cellular level. It is found in virtually every cell of the body and plays a critical role in supporting cellular function and homeostasis. Optimal levels of glutathione have been associated with the maintenance of good health. The highest concentration of glutathione is found in the liver, where it offers antioxidant support for liver tissue protection and p450 phase II conjugation pathways, a possible source of reactive oxygen species. This formula features a purified phosphatidylcholine delivery system, which offers natural liposomal formation due to the hydrophobic and hydrophilic nature of phospholipids. This liposomal form protects glutathione bonds from the degradation that can occur in digestion.