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Frequently asked questions What is L-cysteine used for
That said, in humans the data are less robust than for some other sleep interventions, so effective depends on how you define it (improvement vs complete resolution of poor sleep quality)
8 , eabn0035 (2022)
This is why many people choose to supplement, especially during times of high stress or as they get older
This means it can turn certain genes on or off, influencing processes like inflammation, immune response, and the synthesis of key proteins
