GHK-Cu × peptide crafters — 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 120 mg · Lab measured 124.38 mg
104% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 31.1 mg using the measured mass, against 30 mg on the label — 4% 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 peptide crafters, performed by Janoshik Labs on February 16, 2026. Reported purity: 99.797%. Net content: 124.38 mg against 120 mg labeled (104% of label). Batch PC-G2-GHK100. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of GHK-Cu from peptide crafters
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| PC-G1-GHK100 | 17 Dec 2025 | Janoshik Labs | 99.733% | 117% | Unverified |
| PC-G-GHK100 | 22 May 2025 | Chromate | 99.985% | 110% | Unverified |
| PC-Z2-GHK | 21 Mar 2025 | Janoshik Labs | 99.972% | 111% | Unverified |
| PC-Z-GK100 | 27 Nov 2024 | Janoshik Labs | 99.878% | 125% | Unverified |
| PC-J-G50 | 2 Oct 2024 | Janoshik Labs | 99.941% | 108% | Unverified |
| 2024-03-21 | 3 Apr 2024 | MZ Biolabs | 99.99% | 100% | Lab has no portal |
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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