Frontiers Role of vitamins A, C, D, E in cancer prevention and therapy: therapeutic potentials and mechanisms of action These eye patches are packed with glutathione, kojic acid & vitamin C to help care for dark circles, pigmentation, and tired looking under eyes., I also loved how well they stayed in place without Glutathione vs Kojic Acid: Which One Works for You? Gluta C IL 15 (Interleukin 15) is one of the body's most powerful natural immune activators. It acts like fuel for natural killer (NK) cells and CD8+ T cells the two immune soldiers that recognize and