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It inhibits NNMT, an enzyme that methylates nicotinamide (a precursor to NAD+)
Maintaining an optimal level of glutathione appears to be important for supporting cognitive function, especially during aging.* The normal process of aging is associated with a decrease in glutathione activity, which can result in increased oxidative activity.* Less than an optimum level of glutathione is observed in individuals experiencing a decline in cognitive function.* Conversely, individuals who live to 100 tend to have higher glutathione activity.*
GH: growth hormone
some sources mention drinking water before the capsule and a full glass afterward for better absorption
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