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 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 Amazon.com: Resonex Catalase, Superoxide Dismutase (SOD), and Glutathione Frequencies 120 Tablets : Health & Household New Preclinical Study Shows Paraxanthine Enhances Memory and Brain Function Better Than Caffeine