GSH has the function of master antioxidant in all tissues and is involved in antioxidant defense, detoxication of xenobiotics, intracellular redox homeostasis, cysteine carrier/storage, cell signaling, protein folding and function, gene expression, cell differentiation/proliferation, immune response and antiviral defense, that make it a Samsonian (mighty) little molecule (1, 2)
Although the human body can produce glutathione on its own, production can have difficulty keeping up in times of excess stress, immune challenges, unhealthy microbial environments, or during aging, as glutathione status can decline with the natural aging process
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Antioxidants (Basel) , 10(2), 174