GHK-Cu × doublerlabs.is — Lab Test, July 2026
COA KVR-2026-637D88 matches Kovera Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.
JR5VK7JTest results
About this test
Label 1000 mg · Lab measured 1000 mg
100% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 250 mg on both the label figure and the measured one.
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-2026-637D88 |
|---|---|
| Portal lookup | ✓ Lab-verified |
| Checked | 28 Jul 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 Raw Powder from doublerlabs.is, performed by Kovera Labs on July 13, 2026. Reported purity: 99.713%. Net content: 1000 mg against 1000 mg labeled (100% of label). Endotoxins: <0.5 EU/mL. Heavy metals: Arsenic, Cadmium, Lead, Mercury all Negative. Batch DRL-07-GHK-RAW. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of GHK-Cu from doublerlabs.is
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| DRL-06-GHKCU100 | 20 Jun 2026 | Kovera Labs | 99.737% | 107% | ✓ 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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