Paraxanthine, a compound your body creates when it breaks down caffeine, is being touted by some as a better alternative to coffee, offering energy and focus without the jitters. Click the link A purine derivative, paraxanthine, promotes cysteine uptake for glutathione synthesis ScienceDirect Phase II Glutathione Conjugation Metabolism of Herbicides or Xenobiotics in Plants passel A purine derivative, paraxanthine, promotes cysteine uptake for glutathione synthesis ScienceDirect Glutathione Peroxidase: An Antioxidant Enzyme In Health And Disease Paraxanthine, a compound the body naturally produces when it breaks down caffeine, is starting to appear in energy drinks and even some coffee products as a potential caffeine alternative." Read our latest