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Therefore, it is impossible to determine if IN GHK-Cu actually restored the aged hippocampus to a youthful transcriptomic state, or if it pushed the tissue into a novel, alternative compensatory state that simply happens to function better

Signal sensitivity pulsed dosing is the conservative way to avoid blunting the response over time

Some providers may pair GHK-Cu with treatments like microneedling, but sterile technique and correct product selection matter

In 28-month-old mice, roughly equivalent to elderly humans, three weeks of GHK-Cu administration produced significantly faster maze navigation with evidence of decreased brain inflammation and increased histone deacetylase 2 labeling, an indicator of epigenetic pathway activation