GHK-Cu × Regenerative Research peptides — lab test, August 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 225 mg · Lab measured 225 mg
100% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 56.3 mg on both the label figure and the measured one.
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 August 5, 2025. Reported purity: 99.95%. Net content: 225 mg against 225 mg labeled (100% of label). Endotoxins: Not detected. Batch GK25-01. 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 |
| GK25-02 | 19 Oct 2025 | Krause Analytical | 99.93% | 97% | Unverified |
| GK25-01 | 5 Aug 2025 | Krause Analytical | 99.95% | 113% | 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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