GHK-Cu × NextGen Peptides — Lab Test, December 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 80 mg · Lab measured 49.26 mg
62% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 12.3 mg using the measured mass, against 20 mg on the label — 38% 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/KPV/BPC-157/Thymosin Beta-4 from NextGen Peptides, performed by freedomdiagnosticstesting.com on December 12, 2025. Reported purity: 99.682%. Net content: 49.26 mg against 80 mg labeled (62% of label). Tested content is 38% below the labeled amount. Batch KLW7198. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of GHK-Cu from NextGen Peptides
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| GHK-12 | 21 Apr 2026 | ILS Laboratories | 99.89% | 105% | Unverified |
| GHPV01 | 27 Feb 2026 | freedomdiagnosticstesting.com | 99.091% | 100% | Unverified |
| GHK08 | 16 Jan 2026 | Janoshik Labs | 99.693% | 120% | Unverified |
| GLW4760 | 12 Dec 2025 | freedomdiagnosticstesting.com | 99.6% | 85% | Unverified |
| KLW7198 | 12 Dec 2025 | freedomdiagnosticstesting.com | 99.682% | 100% | Unverified |
| GHKC08 | 8 Nov 2025 | freedomdiagnosticstesting.com | 99.926% | 107% | Unverified |
| GHK07 | 10 Sept 2025 | BioRegen | 99.85% | 106% | Unverified |
| AIJKO1 | 12 Jan 2025 | freedomdiagnosticstesting.com | 99.359% | 100% | 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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