GHK-Cu × Umbrella Labs — lab test, July 2026
COA 2607130513 matches Freedom Diagnostics's public record. So this test doesn't rest on our review alone — the lab confirms it too.
Umbr2607130513Test results
Not on file for this certificate: endotoxins, sterility and heavy metals. A purity figure says nothing about those.
About this test
Label 5 mg · Lab measured 4.26 mg
85% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 1.1 mg using the measured mass, against 1.3 mg on the label — 15% less.
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 | 2607130513 |
|---|---|
| Portal lookup | ✓ Lab-verified |
| Checked | 29 Jul 2026date taken from the record, not from a logged check |
| Checked by | Peptigrity staff, against the lab's portal |
| PDF vs portal | Freedom Diagnostics's portal shows validity only |
| Weight | Counts as one lab test |
Independent HPLC purity analysis of GHK-Cu from Umbrella Labs, performed by Freedom Diagnostics on July 15, 2026. Reported purity: 99.31%. Net content: 4.26 mg against 5 mg labeled (85% of label). Tested content is 15% below the labeled amount. Batch ULP-21504A. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of GHK-Cu from Umbrella Labs
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| ULP-21504C | 15 Jul 2026 | Freedom Diagnostics | 99.44% | 100% | ✓ Lab-verified |
| ULP-21504B | 15 Jul 2026 | Freedom Diagnostics | 99.43% | 95% | ✓ Lab-verified |
Batches this shop has published a certificate for, newest first. A lot whose printed value cannot identify a batch is not listed.
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