Research comparison
GHK-Cu vs. AHK-Cu
Two copper complexes of tripeptides that differ in a single amino acid: glycine (GHK) versus alanine (AHK). GHK-Cu is studied mainly in models of collagen synthesis and tissue repair, AHK-Cu in hair and skin research.
| Property | GHK-Cu | AHK-Cu |
|---|---|---|
| Profile | Copper complex of the tripeptide glycyl-L-histidyl-L-lysine, a naturally occurring plasma peptide studied in models of collagen synthesis and tissue repair. | Copper complex of the tripeptide Ala-His-Lys, structurally related to GHK-Cu and studied mainly in hair and skin research. |
| Sequence | GHK · Cu²⁺ | AHK · Cu²⁺ |
| Length | – | – |
| Formula | C₁₄H₂₃CuN₆O₄+ | – |
| Molar mass | 402.9 g/mol | – |
| CAS | 89030-95-5 | – |
| Purity (current batch, HPLC) | 99.63 % | – |
| Price per mg from | €0.50 | €1.08 |
In the range
For research and laboratory use only. Not for use in humans or animals. The data summarises literature and lab reports; it is not a recommendation for use.




