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Description
GSH can react with dinitrobenzoic acid to produce 5-thio-dinitrobenzoic acid anion, which showed a stable yellow color

doi: 10.1080/19490976.2023.2201157
(2022) Augmented glutathione absorption from oral mucosa and its effect on skin pigmentation, Clinical, Cosmetic and Investigational Dermatology, [online]

Naturally present in many foods, vitamin C can also be taken as supplements to meet daily nutritional needs

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