COA 209947 matches Janoshik Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.
853DFZ3RGXJRThis is a purity and identity analysis. Sterility, endotoxins, and heavy metals were not screened — a high purity figure says nothing about those.
Label 50 mg · Lab measured 52.64 mg
105% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 13.2 mg using the measured mass, against 12.5 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 | 209947 |
|---|---|
| Portal lookup | ✓ Lab-verified |
| Checked | 28 Aug 2026date taken from the record, not from a logged check |
| Checked by | Peptigrity staff, against the lab's portal |
| PDF vs portal | Janoshik Labs's portal shows validity only |
| Weight | Counts as one lab test |
Independent HPLC purity analysis of GHK-Cu from purelinebiolabs peptides, performed by Janoshik Labs on July 8, 2026. Reported purity: 99.7%. Net content: 52.64 mg against 50 mg labeled (105% of label). Batch plb-013. Sample source: shop-provided. Certificate of analysis attached.
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