Healing & recovery · Evidence comparison
BPC-157 vs GHK-Cu
Two very different 'healing' peptides mentioned together in recovery stacks — one an injected all-purpose repair claim, one a copper skin peptide with real topical data.
BPC-157
GHK-Cu
Headline claim shown. Grades are claim-specific — see the full breakdown below.
The evidence, side by side
Every graded claim from each brief. Grades are read straight from the source-checked briefs — one molecule can be strong for one use and weak for another.
Healing / recovery
BPC-157
Evidence grades
Skin / wound healing / anti-aging
GHK-Cu
Evidence grades
Regulatory status at a glance
BPC-157
Not FDA-approved for human use. Removed from FDA compounding 'Category 2' in April 2026 after nominations were withdrawn — a procedural change that does NOT by itself authorize compounding. A July 2026 FDA advisory committee will consider adding it to the 503A bulks list. Banned in sport by WADA (class S0) since 2022 and on the U.S. DoD prohibited list. Currently sold gray-market as 'research only.'
GHK-Cu
Topical GHK-Cu (as Copper Tripeptide-1) is a legal OTC cosmetic ingredient widely used in skincare products, and can be physician-prescribed as a compounded topical. Injectable GHK-Cu is in FDA compounding Category 2 (significant safety concerns) and cannot be legally compounded for injection; it is scheduled for February 2027 PCAC review. Not FDA-approved as a drug for any indication.
Key differences
- GHK-Cu has genuine human evidence for one use: topical skin/wrinkle improvement is graded S. BPC-157 has no comparable human-trial support — its healing claim is graded A (animal).
- The strongest evidence for each is route-specific: GHK-Cu applied topically to skin versus BPC-157 injected for systemic injury, where human data is absent.
- Topical GHK-Cu is a legal cosmetic ingredient; injectable GHK-Cu and BPC-157 are not FDA-approved and cannot be legally compounded for injection.
The bottom line
GHK-Cu is the only one here with a real human-trial grade, and only for topical skin use; injected forms of both are unproven in people. We don't recommend either — the takeaway is that the evidence tracks the route, and the strongest data is topical, not injected.
PeptideIQ Base does not recommend, rank, or endorse any peptide, dose, or product. We grade the strength of the evidence so you can read it for yourself.
Read the full briefs
Full evidence brief
BPC-157 →
A synthetic 15-amino-acid peptide, derived from a protein in human gastric juice, that is widely promoted for injury and gut healing but whose evidence is almost entirely from animal studies.
Full evidence brief
GHK-Cu →
A naturally occurring copper-binding tripeptide with decades of skin-science research — as a topical cream it has real human data for wrinkle reduction, but the injectable form biohackers use has no controlled human evidence and can't be legally compounded.
See every peptide, graded on one page
The Peptide Evidence Report Card grades all our peptides S+ to C on the strength of the human evidence. Research only — no hype, never a recommendation.
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