Vendor and compound
GHK-Cu from Simple Peptide
Simple Peptide lists GHK-Cu at $0.550 per mg, 8% under the $0.595 peer median. 2 third-party certificates for this compound from this vendor are 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 · Simple Peptide profile · scores 84.9 of 100, rank 10 · 2 certificates for this compound · verified 28 Sept 2026
What it costs
| Vial | Listed price | Per mg | vs peer median | Listing |
|---|---|---|---|---|
| 100 mg | $55 | $0.550 | -8% | GHK-CU 100MG |
Read from the vendor’s own store and normalised per milligram, because a smaller vial at a lower sticker price is usually the dearer peptide.
What the laboratory found
| Lot | Assayed | Purity | Label → assayed | Laboratory | Record |
|---|---|---|---|---|---|
| GHK100-062026-1 | 22 Jun 2026 | 99.91% | 100 mg → 112.29 mg | Freedom Diagnostics Testing | Open |
| GHK60-042026-1 | 1 May 2026 | 99.84% | 60 mg → 46.79 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 Simple Peptide third-party tested?
Yes. 2 certificates for GHK-Cu from Simple Peptide are 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.
How much does GHK-Cu cost at Simple Peptide?
$0.550 per milligram, from 100 mg at $55. The peer median across every vendor we price for GHK-Cu is $0.595 per mg, so this is -8% against the market. Prices are normalised per milligram so vials of different sizes compare fairly.
Is Simple Peptide a good place to buy GHK-Cu?
Simple Peptide scores 84.9 of 100 on the published rubric and ranks 10 overall, computed from its documentation rather than from opinion. For GHK-Cu specifically it has 2 certificates on file. ZC Labs lists it cheaper at $0.140 per mg.