GHK-Cu × sterlingpeptides.co.uk — Lab Test, July 2026
COA EZAZXZ7J matches ILS Laboratories's public record. So this test doesn't rest on our review alone — the lab confirms it too.
EZAZXZ7JTest results
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
Label 100 mg · Lab measured 106.71 mg
107% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 26.7 mg using the measured mass, against 25 mg on the label — 7% 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 | EZAZXZ7J |
|---|---|
| Portal lookup | ✓ Lab-verified |
| Checked | 1 Sept 2026date taken from the record, not from a logged check |
| Checked by | Peptigrity staff, against the lab's portal |
| PDF vs portal | ILS Laboratories's portal shows validity only |
| Weight | Counts as one lab test |
Independent HPLC purity analysis of GHK-Cu from sterlingpeptides.co.uk, performed by ILS Laboratories on July 18, 2026. Reported purity: 99.67%. Net content: 106.71 mg against 100 mg labeled (107% of label). Endotoxins: Not Detected, ≤ 0.05 EU/mL. Batch FO453. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Have you tested this peptide?
Submit your third-party lab test to help the community verify purity claims. Every report is reviewed before publication.
Community discussion