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 Glutathione Mediated Neuroprotective Effect of Purine Derivatives Measurement of superoxide dismutase, catalase and glutathione peroxidase in cultured cells and tissue Nature Protocols Phase II Glutathione Conjugation Metabolism of Herbicides or Xenobiotics in Plants passel Study finds Enfinity paraxanthine enhances cognitive and memory measures better than caffeine