Vendor and compound
GHK-Cu from Northline Labs
Northline Labs lists GHK-Cu at $1.00 per mg, 68% over the $0.595 peer median. 2 third-party certificates for this compound from this vendor are on file, assayed by ILS Laboratories, averaging 99.56% purity. The cheapest listed price for GHK-Cu anywhere in the index is $0.140 per mg at ZC Labs.
All GHK-Cu vendors · Northline Labs profile · scores 74.4 of 100, rank 21 · 2 certificates for this compound · verified 1 Aug 2026
What it costs
| Vial | Listed price | Per mg | vs peer median | Listing |
|---|---|---|---|---|
| 100 mg | $99.99 | $1.000 | +68% | GHK-Cu – Premium Research Peptide |
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 |
|---|---|---|---|---|---|
| NLL-9377026 | 12 May 2026 | 99.54% | 50 mg → 51.25 mg | ILS Laboratories | Open |
| NLL-9372216 | 12 May 2026 | 99.58% | 100 mg → 97.5 mg | ILS Laboratories | Open |
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 Northline Labs third-party tested?
Yes. 2 certificates for GHK-Cu from Northline Labs are on file, signed by ILS Laboratories. Each names a lot, prints the assayed mass against the labelled mass, and links to the document it was read from.
How much does GHK-Cu cost at Northline Labs?
$1.00 per milligram, from 100 mg at $99.99. The peer median across every vendor we price for GHK-Cu is $0.595 per mg, so this is +68% against the market. Prices are normalised per milligram so vials of different sizes compare fairly.
Is Northline Labs a good place to buy GHK-Cu?
Northline Labs scores 74.4 of 100 on the published rubric and ranks 21 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.