GHK-Cu × optimumformula peptides — lab test, June 2026
COA COA-2026-T4VG37 matches ILS Laboratories's public record. So this test doesn't rest on our review alone — the lab confirms it too.
8SVVE8C8Test 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 51.94 mg
104% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 13 mg using the measured mass, against 12.5 mg on the label — 4% 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 | COA-2026-T4VG37 |
|---|---|
| Portal lookup | ✓ Lab-verified |
| Checked | 12 Aug 2026date taken from the record, not from a logged check |
| Checked by | Peptigrity staff, against the lab's portal |
| PDF vs portal | ILS Laboratories's portal shows validity only |
| Weight | Counts as one lab test |
Independent HPLC purity analysis of GHK-Cu from optimumformula peptides, performed by ILS Laboratories on June 4, 2026. Reported purity: 99.89%. Net content: 51.94 mg against 50 mg labeled (104% of label). Endotoxins: < 0.05 EU/mL. Batch #HXP6B. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of GHK-Cu from optimumformula peptides
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| H8WY6 | 22 Mar 2026 | Kovera Labs | 99.928% | 110% | ✓ Lab-verified |
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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