glutathione blood levels decrease Glutathione: Master Antioxidant, Reducing Oxidative Stress, and Detoxification Reduced glutathione level and G6FG

Another study using NR supplementation showed that doses up to 1000 mg per day for 10 weeks were well tolerated in patients affected by mild cognitive impairments (MCI) 246

Studies have shown that insulin can regulate cognition by interacting with insulin-degrading enzyme, which is involved in cerebral tau metabolism (104)

Manganese (Mn) is the metal cofactor used to catalyze the conversion of superoxide in SOD2

Treatment of M21 melanoma cell lines with the Sp1 selective inhibitor Plicamycin for 24 h or knockout of the Sp1 gene resulted in a decrease in the expression of Sp1 and CTR1, as well as a decrease in intracellular copper ion levels and an increase in cell survival rate (Lin et al., 2014)