Exposure to acetaminophen and all its metabolites upon 10, 15, and 20 mg kg intravenous acetaminophen in very preterm infants Pediatric Research Paracetamol (also known as acetaminophen) is primarily metabolized in the liver through two main pathways: Phase I metabolism Phase II metabolism. In Phase I metabolism, paracetamol is Dr.ibad Khan Could Tylenol be making your child's health worse? Acetaminophen is widely used for pain and fever relief, but research suggests it depletes glutathione, a powerful antioxidant essential for immune function, Acetaminophen Toxicity: How Genetic Susceptibility Combines with Environmental Factors