✓ Purity · passBatch · DRL-06-GHKCU100Shop-provided sample
GHK-Cu × doublerlabs.is — Lab Test, June 2026
Tested · submitted by @Frank 👑 Legend
Sample source: shop-provided. The shop chose and sent this vial. Samples bought at retail by a member carry more weight.How we weigh evidence →
HPLC Purity
99.737%
✓ Excellent purity only
Independently confirmed on the lab’s portal✓ Extra check
COA KVR-2026-5A2AB5 matches Kovera Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.
Lookup code
ARP4I5CLook it up on Kovera Labs ↗Checked Jun 20, 2026
Test results
9 data points
Purity
99.737%
Endotoxins
<0.5 EU/mL
Heavy metals
Arsenic <0.15, Cadmium <0.05, Lead <0.5, Mercury <0.3
Stated qty
100 mg
Tested qty
107.01 mg
Qty match
107% of labeled · +7%
0label125%
Batch / Lot
DRL-06-GHKCU100
COA number
KVR-2026-5A2AB5
Container
Purple Cap / Silver Crimp
Tested by
Kovera LabsView profile →
About this test
Independent HPLC purity analysis of GHK-Cu from doublerlabs.is, performed by Kovera Labs on June 20, 2026. Reported purity: 99.737%. Net content: 107.01 mg against 100 mg labeled (107% of label). Endotoxins: <0.5 EU/mL. Heavy metals: Arsenic <0.15, Cadmium <0.05, Lead <0.5, Mercury <0.3. Batch DRL-06-GHKCU100. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Original document
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