Antioxidant therapy for treatment of inflammatory bowel disease: Does it work? ScienceDirect Replenishment of Glutathione Levels Improves Mucosal Function in Experimental Acute Colitis Laboratory Investigation Treatment Effects of Natural Products on Inflammatory Bowel Disease In Vivo and Their Mechanisms: Based on Animal Experiments Elevated serum glutathione reflects endoscopic disease activity in inflammatory bowel disease ScienceDirect Glutathione responsive nanoplatforms trigger gaseous intervention of intestinal inflammation through TLR4 MD2 MyD88 NF B iNOS pathway activation and gut microbiota modulation ScienceDirect