Vendor and compound
GHK-Cu from One Aminos
One Aminos lists GHK-Cu at $0.700 per mg, 18% over the $0.595 peer median. 2 third-party certificates for this compound from this vendor are on file, assayed by United Laboratories, averaging 99.81% purity. The cheapest listed price for GHK-Cu anywhere in the index is $0.140 per mg at ZC Labs.
All GHK-Cu vendors · One Aminos profile · scores 85.6 of 100, rank 8 · 2 certificates for this compound · verified 4 Oct 2026
What it costs
| Vial | Listed price | Per mg | vs peer median | Listing |
|---|---|---|---|---|
| 50 mg | $34.99 | $0.700 | +18% | GHK-Cu |
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 |
|---|---|---|---|---|---|
| ONE-CU100-091526 | 15 Sept 2026 | 99.71% | 100 mg → 106.05 mg | United Laboratories | Open |
| ONE-CU50-091426 | 14 Sept 2026 | 99.9% | 50 mg → 52.43 mg | United Laboratories | Open |
United Laboratories 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 | 96.1 | $0.400 | 7 |
| Origin Labs | 94.2 | — | 2 |
| Amino Club | 90.8 | $0.580 | 2 |
| PeptidePlugs | 90.7 | $0.400 | 2 |
| Ascend Science | 88.9 | $0.450 | 2 |
| ZC Labs | 86.9 | $0.140 | 2 |
| Hydro Research Peptides | 85.9 | — | 1 |
| Bench Grade Peptides | 84.2 | $0.380 | 4 |
Ordered by overall evidence score. See every vendor listing GHK-Cu.
Questions
Is GHK-Cu from One Aminos third-party tested?
Yes. 2 certificates for GHK-Cu from One Aminos are on file, signed by United Laboratories. Each names a lot, prints the assayed mass against the labelled mass, and links to the document it was read from. United Laboratories 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 One Aminos?
$0.700 per milligram, from 50 mg at $34.99. The peer median across every vendor we price for GHK-Cu is $0.595 per mg, so this is +18% against the market. Prices are normalised per milligram so vials of different sizes compare fairly.
Is One Aminos a good place to buy GHK-Cu?
One Aminos scores 85.6 of 100 on the published rubric and ranks 8 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.