As a Category 2 substance it is not within FDA's enforcement-discretion policy for 503A compounding [11]
Abud Bakri, a longevity medicine specialist and a member of Enhanced's Medical Commission, said, GHK-Cu has been studied for decades as a key regulator of skin biology and collagen synthesis
Psychiatry 2 : e134 (2012)
The label also tells us that non-clinical studies have demonstrated the drug affects serotonin, an inhibitory neurotransmitter, and norepinephrine, an excitatory hormone that is related to adrenaline
VEGF/VEGFR2 and FAK-paxillin pathway activity in cell-culture models of tendon, ligament, and muscle repair
Washington, D.C.: Wiley-Blackwell