✓ Purity · passBatch · GHK50-05/28Shop-provided sample
GHK-Cu × imperialpeptides.co.uk — 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
99.631%
✓ Excellent purity only
Independently confirmed on the lab’s portal✓ Extra check
COA 169086 matches Janoshik Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.
Lookup code
ZR8X9FH37KPBLook it up on Janoshik Labs ↗Checked Jun 11, 2026
Test results
6 data points
Purity
99.631%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
50 mg
Tested qty
58.29 mg
Qty match
117% of labeled · +17%
0label125%
Batch / Lot
GHK50-05/28
COA number
169086
Tested by
Janoshik LabsView profile →
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
Independent HPLC purity analysis of GHK-Cu from imperialpeptides.co.uk, performed by Janoshik Labs on June 11, 2026. Reported purity: 99.631%. Net content: 58.29 mg against 50 mg labeled (117% of label). Tested content exceeds the labeled amount by 17%. Batch GHK50-05/28. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Original document
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