GHK-Cu × Petratide Science — Lab Test, April 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 48.78 mg
98% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 12.2 mg using the measured mass, against 12.5 mg on the label — 2% 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 petratidescience.com, performed by freedomdiagnosticstesting.com on April 23, 2026. Reported purity: 99.92%. Net content: 48.78 mg against 50 mg labeled (98% of label). Batch PS04-GHK02-B. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of GHK-Cu from petratidescience.com
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| PS05-CUKV60 | 30 May 2026 | freedomdiagnosticstesting.com | 99.68% | 129% | Unverified |
| PS04-CU100 | 23 Apr 2026 | freedomdiagnosticstesting.com | 99.91% | 96% | Unverified |
| PS03-GL70 | 3 Apr 2026 | freedomdiagnosticstesting.com | 99.688% | 98% | Unverified |
| PS03-CU02-P | 15 Mar 2026 | freedomdiagnosticstesting.com | 99.455% | 95% | Unverified |
| PS03-KL01-W | 15 Mar 2026 | freedomdiagnosticstesting.com | 99.74% | 95% | Unverified |
| PS02-K50 | 12 Feb 2026 | freedomdiagnosticstesting.com | 99.887% | 111% | Unverified |
| PS02-GC100 | 1 Feb 2026 | freedomdiagnosticstesting.com | 99.441% | 85% | Unverified |
| PS02-GK | 1 Feb 2026 | freedomdiagnosticstesting.com | 99.339% | 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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