It Helps In Skin Lightening And Helps Reducing Pigmentation. Glutathione Is An Antioxidant. It Is Involved In Metabolism Of Toxins And Carcinogens, DNA Synthesis And Repair, Protein And Prostaglandin Synthesis, Amino Acid Transport, Immune System Function, Prevention Of Oxidative Cell Damage, And Enzyme Activation. Proponents Claim That Glutathione Supplements Can Help Treat And Prevent A Number Of Health Conditions