GHK-Cu × Regenerative Research peptides — lab test, October 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 96.8 mg
97% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 24.2 mg using the measured mass, against 25 mg on the label — 3% 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 Regenerative Research peptides, performed by Krause Analytical on October 19, 2025. Reported purity: 99.93%. Net content: 96.8 mg against 100 mg labeled (97% of label). Endotoxins: ND. Batch GK25-02. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of GHK-Cu from Regenerative Research peptides
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| GK26-02 | 24 Apr 2026 | Krause Analytical | 99.4% | 84% | Unverified |
| GK26-01 | 20 Feb 2026 | freedomdiagnosticstesting.com | 99.939% | 97% | Unverified |
| GK25-01 | 5 Aug 2025 | Krause Analytical | 99.95% | 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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