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Improved skin clarity: Regular use of glutathione for skin health can lead to clearer skin by preventing blemishes and breakouts, as it supports detoxification processes that help the body get rid of impurities

Relevant for people investigating persistent fatigue, slow recovery, or high environmental exposures

Glutathione, niacinamide and vitamin C even out skin tone

Results A counter-selection system was engineered in Saccharomyces cerevisiae based on the known feedback inhibition of gamma-glutamylcysteine synthetase (GSH1) gene expression, which is rate limiting for GSH synthesis: the GSH1 ORF and the counter-selectable marker GAP1 were expressed under control of the TEF1 and GSH-regulated GSH1 promoters, respectively