GHK-Cu × retaonelabs.com — lab test, September 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 50 mg · Lab measured 48.03 mg
96% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 12 mg using the measured mass, against 12.5 mg on the label — 4% 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 retaonelabs.com, performed by Chromate on September 24, 2025. Reported purity: 99.708%. Net content: 48.03 mg against 50 mg labeled (96% of label). Endotoxins: < 1.25 EU/vial. Batch GK500925. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of GHK-Cu from retaonelabs.com
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| KL800526 | 13 May 2026 | Kovera Labs | 99.908% | 111% | Unverified |
| Glow700326 | 15 Apr 2026 | Kovera Labs | 99.763% | 106% | Unverified |
| GK1000426 | 15 Apr 2026 | Kovera Labs | 99.862% | 108% | Unverified |
| GL700326 | 27 Feb 2026 | Vanguard Laboratory | 99.5% | 110% | Unverified |
| KL801025 | 10 Nov 2025 | Vanguard Laboratory | 99% | 108% | Unverified |
| GL700925 | 24 Sept 2025 | Chromate | 99.825% | 114% | 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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