Glutathione (GSH) and antioxidant enzymes, including superoxide Download Scientific Diagram 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 1 Methylxanthine enhances memory and neurotransmitter levels PLOS One Glutathione System from Cyanobacteria to Higher Eukaryotes Encyclopedia MDPI Paraxanthine may represent the next wave of clean energy drinks with smoother stimulation, fewer jitters, and potentially better focus. L Glutathione vs. oxidized vs. Reduced Glutathione