For US buyers with no shipping friction, Renues liposomal format is the stronger choice on chemistry grounds
While they might provide the building blocks for your body to make its own glutathione, they rarely raise blood levels enough to impact skin pigment significantly
Ann Emerg Med 1994
Larson AM, Polson J, Fontana RJ, et al
A smoother and gentler skin
This Research Topic is part of a series with: The changing faces of glutathione, a cellular protagonist., Volume II Glutathione (GSH) has been described for a long time just as a defensive reagent against the action of toxic xenobiotics (drugs, pollutants, carcinogens), both directly and as a cofactor for GSH transferases