COA-Verified Sources
Where to buy GHK-Cu with a COA
8 verified vendors publish a third-party Certificate of Analysis for GHK-Cu. Compare purity, lab and price per mg below – every result links to the actual COA and the vendor's own shop. For laboratory research use only.
COA-verified vendors for GHK-Cu
Peptidwerk
100.0%
Lab: Janoshik Analytical · 2026-07-23 · 4 COAs
View COA
The link opens the report shown here. A total of 4 COAs are recorded for this vendor.
$0.57/mgAd
$0.62/mgAd
Licensed Peptides
99.8%
Lab: Vanguard Laboratory · 2026-02-10 · 2 COAs
View COA
The link opens the report shown here. A total of 2 COAs are recorded for this vendor.
$0.64/mgAd
$1.28/mgAd
Europeptides
99.7%
Lab: Janoshik Analytical · 2026-06-04 · 7 COAs
View COA
The link opens the report shown here. A total of 7 COAs are recorded for this vendor.
$0.76/mgAd
$1.03/mgAd
Lab: Janoshik Analytical · 2026-07-08 · 4 COAs
View COA
The link opens the report shown here. A total of 4 COAs are recorded for this vendor.