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The relation between antioxidants and memory performance in the old and very old
PMC10727628 Lavie CJ et al
Second, the inability to quantify central nervous system (CNS) GSH concentrations in vivo has substantially hindered therapeutic trials targeting CNS augmentation
Concentrations of GHK-Cu in the body decline significantly with age, from approximately 200 ng/mL in young adults to under 80 ng/mL by age 60, making topical replenishment meaningful
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