Dull skin, pigmentation and early ageing are becoming very common after 25. The problem is not glutathione, it's the form you're using. Most supplements have low potency and poor absorption, which is Glutathione peroxidase 4: a new player in neurodegeneration? Molecular Psychiatry Liposomal L Glutathione Complex 90 Capsules WeightWorld File:Glutathione Reductase and Peroxidase Graphic.jpg Wikimedia Commons