GHK-Cu × felixchem.is — lab test, lot 041326-GHS-1, April 2026
freedomdiagnosticstesting.com publishes a public verification portal. Any test attributed to this lab can be looked up and confirmed directly with the lab — so this result doesn't rest on our review alone.
This certificate carries no lookup code.
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 48.47 mg
97% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 12.1 mg using the measured mass, against 12.5 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 felixchem.is, performed by freedomdiagnosticstesting.com on April 17, 2026. Reported purity: 99.97%. Net content: 48.47 mg against 50 mg labeled (97% of label). Endotoxins: ≤ 0.05 EU/mL. Batch 041326-GHS-1. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of GHK-Cu from felixchem.is
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| 042326-GHS-C | 26 Apr 2026 | freedomdiagnosticstesting.com | 99.81% | 119% | Unverified |
| 041626-GHK-6 | 19 Apr 2026 | freedomdiagnosticstesting.com | 99.82% | 98% | Unverified |
| 022526-GLO-0 (black) | 27 Feb 2026 | freedomdiagnosticstesting.com | 99.923% | 907% | Unverified |
| 021025-G50-C | 12 Feb 2026 | freedomdiagnosticstesting.com | 99.657% | 106% | Unverified |
| 010226-KLO-9 | 5 Jan 2026 | freedomdiagnosticstesting.com | 99.829% | 201% | Unverified |
| 122925-KLO-9 | 31 Dec 2025 | freedomdiagnosticstesting.com | 99.849% | 189% | Unverified |
| 121525-GHK-5 | 23 Dec 2025 | freedomdiagnosticstesting.com | 99.954% | 99% | Unverified |
| 112425-KLO-C | 30 Nov 2025 | freedomdiagnosticstesting.com | 99.87% | 114% | Unverified |
Batches this shop has published a certificate for, newest first. A lot whose printed value cannot identify a batch is not listed.
Have you tested this peptide?
Submit your third-party lab test to help the community verify purity claims. Every report is reviewed before publication.
Community discussion