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Chu FF, Esworthy RS, Lee L, Wilczynski S

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10 Consequently, many clinicians have avoided the direct use of GSH supplements and instead focused on GSH precursors, such as N-acetylcysteine, to boost endogenous production.* 11 However, in 2015, a clinical study of pure powdered glutathione increased erythrocyte, plasma, and lymphocyte glutathione levels after six months of use in humans, suggesting that some is absorbed after all.* 12 Finally, an oral glutathione that increases blood levels 2.5 times more than other forms

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Many therapies now considered foundational in perioperative medicine were initially adopted based on mechanistic plausibility and early observational signals before high-quality surgical outcome trials were performed