GHK-Cu × Crush Research — lab test, July 2026
COA -2026-954684 matches ILS Laboratories's public record. So this test doesn't rest on our review alone — the lab confirms it too.
GYCUDYAKTest results
Not on file for this certificate: sterility and heavy metals. A purity figure says nothing about those.
About this test
Label 100 mg · Lab measured 104.89 mg
105% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 26.2 mg using the measured mass, against 25 mg on the label — 5% 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.
| Report number | -2026-954684 |
|---|---|
| Portal lookup | ✓ Lab-verified |
| PDF vs portal | ILS Laboratories's portal shows validity only |
| Submitted via | Peptigrity staff |
| Weight | Counts as one lab test |
Independent HPLC purity analysis of GHK-Cu from Crush Research, performed by ILS Laboratories on July 31, 2026. Reported purity: 99.29%. Net content: 104.89 mg against 100 mg labeled (105% of label). Endotoxins: 0.094 EU/mL. Batch CR-GHK-100MG-2607-Purple. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of GHK-Cu from Crush Research
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| CR-GHK100MG-0828 | 24 Aug 2026 | ILS Laboratories | 99.59% | 102% | Unverified |
| CR-GHK50MG-0828 | 24 Aug 2026 | ILS Laboratories | 99.81% | 107% | Unverified |
| CR-GHK-50MG-2606-1 | 26 Jun 2026 | ILS Laboratories | 99.75% | 105% | Unverified |
| CR-GHKCU-100-2606-1 | 9 Jun 2026 | ILS Laboratories | 99.57% | 106% | Unverified |
| CRGHK-100-2604-1 | 22 Apr 2026 | ILS Laboratories | 99.91% | 105% | Unverified |
| CRKLO-80-2604-1 | 22 Apr 2026 | ILS Laboratories | 99.47% | 104% | Unverified |
| CR-GCU100-2603-1 | 2 Apr 2026 | BTLabs | 99.7% | 113% | Lab has no portal |
| CR-GHK100-0212-1 | 16 Feb 2026 | Freedom Diagnostics | 99.86% | 107% | 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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