✓ Purity · passBatch · GHK50609LISShop-provided sample
GHK-Cu × studzpeptides.com — 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
99.98%
✓ Excellent purity only
Independently confirmed on the lab’s portal✓ Extra check
COA COA-2026-QLI1LP matches ILS Laboratories's public record. So this test doesn't rest on our review alone — the lab confirms it too.
Lookup code
THLJNPNINLook it up on ILS Laboratories ↗Checked Jul 5, 2026
Test results
6 data points
Purity
99.98%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
50 mg
Tested qty
51.92 mg
Qty match
104% of labeled · +4%
0label125%
Batch / Lot
GHK50609LIS
COA number
COA-2026-QLI1LP
Tested by
ILS LaboratoriesView 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 studzpeptides.com, performed by ILS Laboratories on July 5, 2026. Reported purity: 99.98%. Net content: 51.92 mg against 50 mg labeled (104% of label). Batch GHK50609LIS. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Original document
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