Rapid and effective protocol to measure glutathione peroxidase activity Bulletin of the National Research Centre Springer Nature Link Paraxanthine may represent the next wave of clean energy drinks with smoother stimulation, fewer jitters, and potentially better focus. 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 Paraxanthine: Caffeine's Major Metabolite for Laser Targeted Energy