GHK-Cu × prosperitypeptides.com — 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 50 mg · Lab measured 59.88 mg
120% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 15 mg using the measured mass, against 12.5 mg on the label — 20% 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 prosperitypeptides.com, performed by freedomdiagnosticstesting.com on February 21, 2026. Reported purity: 99.923%. Net content: 59.88 mg against 50 mg labeled (120% of label). Tested content exceeds the labeled amount by 20%. Batch GHKCU-001. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of GHK-Cu from prosperitypeptides.com
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| ELOW-001 | 21 Feb 2026 | freedomdiagnosticstesting.com | 99.942% | 107% | Unverified |
| GLOW-001 | 21 Feb 2026 | freedomdiagnosticstesting.com | 99.935% | 118% | 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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