Glutathione Mediated Neuroprotective Effect of Purine Derivatives Glutathione Mediated Neuroprotective Effect of Purine Derivatives Paraxanthine, a compound the body naturally produces when it breaks down caffeine, is starting to appear in energy drinks and even some coffee products as a potential caffeine alternative." Read our latest A purine derivative, paraxanthine, promotes cysteine uptake for glutathione synthesis ScienceDirect
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