GHK-Cu × optimumformula peptides — lab test, March 2026
COA KVR-2026-1572B6-S23 matches Kovera Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.
N4RQ313Test 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 54.87 mg
110% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 13.7 mg using the measured mass, against 12.5 mg on the label — 10% 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 | KVR-2026-1572B6-S23 |
|---|---|
| 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 | Kovera Labs's portal shows validity only |
| Weight | Counts as one lab test |
Independent HPLC purity analysis of GHK-Cu from optimumformula peptides, performed by Kovera Labs on March 22, 2026. Reported purity: 99.928%. Net content: 54.87 mg against 50 mg labeled (110% of label). Endotoxins: Pass (≤0.5 EU/mL). Batch H8WY6. 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 |
|---|---|---|---|---|---|
| #HXP6B | 4 Jun 2026 | ILS Laboratories | 99.89% | 104% | ✓ 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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