Vendor and compound
GHK-Cu from Vertex Labs
Vertex Labs has no GHK-Cu price recorded in this index. 1 third-party certificate for this compound from this vendor is on file, assayed by Freedom Diagnostics Testing, averaging 99.88% purity. The cheapest listed price for GHK-Cu anywhere in the index is $0.140 per mg at ZC Labs.
All GHK-Cu vendors · Vertex Labs profile · scores 62.6 of 100, rank 32 · 1 certificate for this compound · verified 28 Aug 2026
What the laboratory found
| Lot | Assayed | Purity | Label → assayed | Laboratory | Record |
|---|---|---|---|---|---|
| 2607010631 | 3 Jul 2026 | 99.88% | 100 mg → 96.71 mg | Freedom Diagnostics Testing | Open |
Freedom Diagnostics Testing publishes a lookup, so these reports can be confirmed at the laboratory rather than taken from the vendor. How to check one.
Other vendors selling GHK-Cu
| Vendor | Score | Per mg | Certificates for this compound |
|---|---|---|---|
| Next Gen Peptides | 93.8 | $0.400 | 3 |
| Ascend Science | 90.1 | $0.450 | 2 |
| Amino Club | 88.3 | $0.580 | 2 |
| Modern Aminos | 88.1 | $0.640 | 1 |
| Origin Labs | 87.7 | — | 2 |
| Bench Grade Peptides | 86.8 | $0.380 | 4 |
| Polaris Peptides | 86.6 | $0.700 | 0 |
| PeptidePlugs | 86.3 | $0.400 | 7 |
Ordered by overall evidence score. See every vendor listing GHK-Cu.
Questions
Is GHK-Cu from Vertex Labs third-party tested?
Yes. 1 certificate for GHK-Cu from Vertex Labs is on file, signed by Freedom Diagnostics Testing. Each names a lot, prints the assayed mass against the labelled mass, and links to the document it was read from. Freedom Diagnostics Testing also publishes a lookup, so the report can be confirmed at the laboratory rather than taken from the vendor.
Is Vertex Labs a good place to buy GHK-Cu?
Vertex Labs scores 62.6 of 100 on the published rubric and ranks 32 overall, computed from its documentation rather than from opinion. For GHK-Cu specifically it has 1 certificate on file. ZC Labs lists it cheaper at $0.140 per mg.