GHK-Cu × Source Research — lab test, August 2026
COA -2026-LUYZFM matches ILS Laboratories's public record. So this test doesn't rest on our review alone — the lab confirms it too.
9LHQQW29Test results
Not on file for this certificate: sterility and heavy metals. A purity figure says nothing about those.
About this test
Label 100 mg · Lab measured 105.17 mg
105% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 26.3 mg using the measured mass, against 25 mg on the label — 5% more.
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 | -2026-LUYZFM |
|---|---|
| Portal lookup | ✓ Lab-verified |
| PDF vs portal | ILS Laboratories's portal shows validity only |
| Submitted via | Peptigrity staff |
| Weight | Counts as one lab test |
Independent HPLC purity analysis of GHK-Cu from Source Research, performed by ILS Laboratories on August 11, 2026. Reported purity: 99.45%. Net content: 105.17 mg against 100 mg labeled (105% of label). Endotoxins: 0.089 EU/mL. Batch sr-cu100-260720-002. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
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