Study finds Enfinity paraxanthine enhances cognitive and memory measures better than caffeine 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 A purine derivative, paraxanthine, promotes cysteine uptake for glutathione synthesis ScienceDirect Phase II Glutathione Conjugation Metabolism of Herbicides or Xenobiotics in Plants passel