While it's been known that the essential function of #selenium was its incorporation as #selenocysteine into #selenoproteins (e.g. the enzyme glutathione peroxidase) now, Ingold et al. reveal the precise role of #selenolatebased # Glutathione Peroxidase Activatable Two Photon Ratiometric Fluorescent Probe for Redox Mechanism Research in Aging and Mercury Exposure Mice Models Analytical Chemistry Glutathione Peroxidase Catalase Cooperativity Is Required for Resistance to Hydrogen Peroxide by Mature Rat Oligodendrocytes Journal of Neuroscience Regulatory Phenomena in the Glutathione Peroxidase Superfamily Regina Brigelius Floh, Leopold Floh, 2020 L Glutathione with Vitamin C Supplement for Brighten Skin, Anti Ageing LA Organo