5 Much of the human data on topical GHK-Cu is from studies that do not specify the concentration used, however, generally products have been used in cosmetic preparations at concentrations between 0.2-2%
It does not directly address dietary supplements containing BPC-157
While sleep accelerates Glutathione production, good levels of Glutathione improve sleep quality
Key limitations GHK and GHK-Cu are related but chemically distinct
For GHK-Cu wound healing, this means explicitly communicating: GHK-Cu is not FDA-approved as a drug for any indication Human wound-healing evidence is limited to small, non-randomized studies The compounding pharmacy source is not subject to the same oversight as FDA-approved manufacturers Alternative, evidence-based wound-healing options exist (negative pressure wound therapy, growth factor therapies like becaplermin, advanced wound dressings) Monitoring will be required, with associated lab costs Document this conversation in the medical record