✓ Purity · passBatch · DRL-07-GHK-RAWShop-provided sample
GHK-Cu × doublerlabs.is — Lab Test, July 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
99.713%
✓ Excellent purity only
Independently confirmed on the lab’s portal✓ Extra check
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.
Lookup code
JR5VK7JLook it up on Kovera Labs ↗Checked Jul 13, 2026
Test results
9 data points
Purity
99.713%
Endotoxins
<0.5 EU/mL
Heavy metals
Arsenic, Cadmium, Lead, Mercury all Negative
Stated qty
1000 mg
Tested qty
1000 mg
Qty match
100% of labeled · +0%
0label125%
Batch / Lot
DRL-07-GHK-RAW
COA number
KVR-2026-637D88
Container
White Cap
Tested by
Kovera LabsView profile →
About this 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
Original document
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