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 Glutathione System from Cyanobacteria to Higher Eukaryotes Encyclopedia MDPI Inhibition of erythrocyte's catalase, glutathione peroxidase or peroxiredoxin 2 Impact on cytosol and membrane ScienceDirect Paraxanthine enhances memory and neuroplasticity more than caffeine in rats Experimental Brain Research Springer Nature Link