GHK-Cu Peptide for Research | 99.4% Purity, Janoshik Tested ZenPeptideAmanda
GHK-Cu is a copper-binding tripeptide used in lab research. This page covers specs, purity data, and storage info.
Is GHK-Cu Tested?
Yes. Every batch goes through third-party testing. We use Janoshik Analytics for purity testing. This is a known lab in the peptide space.
The Certificate of Analysis (COA) shows purity, identity, and mass. You get the COA with every order from zenpeptideamanda.com. Therefore, you can check the batch number against the report before you open the vial.
What Form Does GHK-Cu Come In?
GHK-Cu ships as a lyophilized powder. This means it’s freeze-dried. It looks like a white or off-white solid in the vial.
Lyophilized powder is stable. It travels well. However, once you reconstitute it with water, it becomes less stable. So plan your timeline before mixing.
How Should I Store GHK-Cu?
First, keep the unopened vial in a freezer at -20°C. This keeps the powder stable for a long time.
Next, after reconstitution, store the solution in a refrigerator at 2-8°C. Use it within a couple weeks for best results.
Finally, avoid leaving the vial at room temperature for long periods. Light and heat both speed up breakdown.
Why Choose ZenPeptideAmanda for GHK-Cu?
We focus on one thing: clean, tested research peptides. Every product on zenpeptideamanda.com has a matching COA from Janoshik.
Also, we keep our catalog simple. No filler products. No vague labels. Just GHK-Cu, batch-tested, with paperwork to back it up.
Specs Table
| Spec | Detail |
|---|---|
| Name | GHK-Cu (Copper Peptide) |
| Sequence | Gly-His-Lys-Cu |
| Molecular Formula | C14H22N6O4Cu |
| Molecular Weight | ~340 g/mol |
| Purity | 99.4% (Janoshik tested) |
| Form | Lyophilized powder |
| Storage (unopened) | -20°C |
| Storage (reconstituted) | 2-8°C, use within 2 weeks |
| COA | Included with every batch |
| Intended Use | Research use only |
This product is sold for laboratory research purposes only. Not for human consumption, medical use, or diagnostic purposes.






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