Altrient Glutathione (Glutathione Sulfhydryl) is the highest quality liposomal Setria glutathione making it the most bioavailable oral form. Setria Glutathione is clinically documented and independent research is showing that increasing blood and intracellular levels of glutathione can have many benefits. There are many reasons to increase glutathione levels through supplementation. Altrient GSH delivers this essential antioxidant where you need it most: transported directly into the bloodstream and into your cells.