Inhibition of erythrocyte's catalase, glutathione peroxidase or peroxiredoxin 2 Impact on cytosol and membrane ScienceDirect 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 enhancement for cardiac protection: pharmacological options against oxidative stress and ferroptosis Cell Death & Disease Identification of Paraxanthine as the Most Potent Inhibitor of TGF Dependent Connective Tissue Growth Factor Expression Among Frontiers Paraxanthine safety and comparison to caffeine Catalase and Glutathione Peroxidase Are Equally Active in Detoxification of Hydrogen Peroxide in Human Erythrocytes ScienceDirect