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It is commonly used in skin whitening products and products to even skin tone by inhibiting the activity of tyrosinase and the generation of melanin
Glutathione can be found in different forms, including reduced glutathione (GSH), oxidized glutathione (GSSG), and glutathione precursors such as N-acetyl-cysteine (NAC) and alpha-lipoic acid (ALA)
Oral supplementation has lower bioavailability than injectable forms but may produce more TMAO due to gut bacteria exposure
Although cysteine is not considered an essential amino acid, cysteine deficiency is associated with various diseases including metabolic disorders, immune dysfunction and cancer 1
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