Glutathione Supplement Glutathione Antioxidant BrainMD BrainMD Human CHAC1 Protein Degrades Glutathione, and mRNA Induction Is Regulated by the Transcription Factors ATF4 and ATF3 and a Bipartite ATF CRE Regulatory Element* Journal of Biological Chemistry Tylenol depletes glutathione your liver's most important protective antioxidant. Every dose chips away at it. So instead of taking lower doses every 46 hours, I recommend spacing to 1000mg every 8 hours. The glutathione cycle shapes synaptic glutamate activity PNAS