Great Northern Peptides GHK-Cu
Evidence Score 63/100 · 1 of 1 GHK-Cu lab reports confirmed by the issuing lab
As of October 10, 2026, Great Northern Peptides lists GHK-Cu in 100 mg. It publishes 1 GHK-Cu lab report; 1 is confirmed in the issuing lab's own records, the newest dated August 17, 2026. Its confirmed reports cover purity testing (HPLC and mass spec). Code PEPASSESS gives 10% off.
GHK-Cu lab reports confirmed by the issuing lab
- August 17, 2026Freedom Diagnosticspurity, identityview report ↗
GHK-Cu price at Great Northern Peptides
- From
- —
- Best per mg
- —
- Typical per mg
- $0.64/mg
- Sizes
- 100 mg
From Great Northern Peptides's own store, as of October 10, 2026; shipping and discounts not included.
Other GHK-Cu sellers with lab-confirmed reports
| Shop | Score | Per mg | vs typical | Code discount | Code | |
|---|---|---|---|---|---|---|
| Solyn | 100 | $0.96 | 50% above | — | — | Coupon codes |
| Prime Peptides | 96 | $0.60 | 6% below | — | — | Coupon codes |
| Thrive Peptides | 95 | $0.42 | 34% below | 10% | Shop ↗ | |
| Protide Health | 95 | — | — | — | — | Coupon codes |
| Licensed Peptides | 95 | — | — | — | — | Coupon codes |
| Platinum Lion | 93 | $0.55 | 14% below | 10% | Shop ↗ |
Great Northern Peptides GHK-Cu questions
Is Great Northern Peptides's GHK-Cu lab tested?
Yes. As of October 10, 2026, Great Northern Peptides publishes 1 GHK-Cu lab report, and PepAssess matched 1 to the issuing lab's own records (Freedom Diagnostics). The newest confirmed report is dated August 17, 2026.
Is there a Great Northern Peptides coupon code for GHK-Cu?
Yes: PEPASSESS (10% off), entered at checkout on greatnorthernpeptides.com, as of October 10, 2026.
Who else sells lab-tested GHK-Cu?
As of October 10, 2026, the highest-scoring GHK-Cu sellers with a lab-confirmed report, besides Great Northern Peptides: Solyn (100/100, 4 confirmed), Prime Peptides (96/100, 1 confirmed) and Thrive Peptides (95/100, 3 confirmed).