New Preclinical Study Shows Paraxanthine Enhances Memory and Brain Function Better Than Caffeine Glutathione Supplement 2,000mg Per Serving, 240 Veggie Capsules NatureBell Glutathione Mediated Neuroprotective Effect of Purine Derivatives 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