GHK-Cu × peptidekoning.to — lab test, February 2026
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Test results
This is a purity and identity analysis. Sterility, endotoxins, and heavy metals were not screened — a high purity figure says nothing about those.
About this test
Label 50 mg · Lab measured 56.33 mg
113% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 14.1 mg using the measured mass, against 12.5 mg on the label — 13% more.
One vial from this lot was weighed by the laboratory, not yours. This page reports what the certificate says; it does not recommend a dose.
Independent HPLC purity analysis of GHK-Cu from peptidekoning.to, performed by Axiom Analytics on February 18, 2026. Reported purity: 99.93%. Net content: 56.33 mg against 50 mg labeled (113% of label). Tested content exceeds the labeled amount by 13%. Endotoxins: <0.2 EU/mg. Batch PK-RG-009. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of GHK-Cu from peptidekoning.to
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| PK-RG-009 | 18 Feb 2026 | Axiom Analytics | 99.78% | 109% | Unverified |
| PK-RG-008 | 14 Nov 2025 | Janoshik Labs | 99.86% | 110% | Unverified |
Batches this shop has published a certificate for, newest first. A lot whose printed value cannot identify a batch is not listed.
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