GHK-Cu × skye peptides — lab test, March 2025
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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 100 mg · Lab measured 88.8 mg
89% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 22.2 mg using the measured mass, against 25 mg on the label — 11% less.
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 skye peptides, performed by Janoshik Labs on March 12, 2025. Reported purity: 99.987%. Net content: 88.8 mg against 100 mg labeled (89% of label). Tested content is 11% below the labeled amount. Batch GHKC25-100-001. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of GHK-Cu from skye peptides
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| GHK25-50-002 | 5 Nov 2025 | Janoshik Labs | 99.654% | 134% | Unverified |
| GHK25-50-001 | 30 Oct 2025 | Janoshik Labs | 99.565% | 116% | Unverified |
| GHKB25-100-001 | 14 Oct 2025 | Janoshik Labs | 99.81% | 119% | Unverified |
| GHK25-100-002 | 16 Jul 2025 | Janoshik Labs | 99.905% | 108% | Unverified |
| GHKT25-1000-001 | 9 Jul 2025 | Janoshik Labs | 99.89% | 100% | Unverified |
| GHK100N041025 | 29 Apr 2025 | Janoshik Labs | 99.925% | 104% | Unverified |
| GHK50N12182024 | 2 Jan 2025 | Janoshik Labs | 99.945% | 107% | Unverified |
| AHKR24-1-001 | 23 Dec 2024 | Janoshik Labs | 99.934% | 98% | 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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