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It also notes GHK-Cus ability to influence gene expression and promote cellular repair processes that decline with age

What the Science Says GHK-Cu (glycyl-L-histidyl-L-lysine bound to copper) was first identified in human plasma in the 1970s

It's popular in biohacking circles and often pops up in patient consults, but the FDA hasn't approved it for human therapy

Its ability to address brain-related health challenges, combined with its potential in anti-aging and regenerative medicine, marks it as a compound with transformative implications

Biomaterials 232:119704

If your sleep problems stem primarily from racing thoughts or anxiety, Selank may address the root cause more directly than DSIP