Identity
GHK-Cu reportedJanoshik peptide-vial assessment · summary does not display method detail
COMPOUND IQRESEARCH. TESTED. EXPLAINED.Scan your COADOCUMENT REVIEW · AUGUST 2026
PolixLabs GHK-Cu: strong assay results, weak supplier traceability.
We reviewed Janoshik test report #93024, linked by PolixLabs for GHK-Cu 100 mg and analyzed December 10, 2025.
Compound IQ has an affiliate relationship with PolixLabs and may earn a commission from the clearly identified partner link on this page. That relationship does not change the document score or the limitations we report. We did not purchase or independently test this product; this is a review of public documents.
WHAT THE CERTIFICATE REPORTS
3 of 7 evidence categories documented.
The linked Janoshik report identifies GHK-Cu, reports 118.01 mg and 99.775% purity, and provides a laboratory verification key. It names www.zen-peptide.com as the client, ZEN as the manufacturer, and the batch as unknown. Reference: #93024 · BATCH UNKNOWN · KEY 95MWCMT8HASJ.
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Purity
99.775%Janoshik report #93024Measured quantity
118.01 mgReported for a sample described as GHK-Cu 100 mgLot traceability
Not establishedCertificate says batch unknown and does not name PolixLabsSterility
Not reportedNo sterility or microbial result on the linked reportEndotoxin
Not reportedNo quantitative endotoxin result or methodContaminants
Not reportedNo heavy-metal, solvent, or broader contaminant panelMEASURED CONTENT118.01 mg
That is 18.01% above the report’s 100 mg sample description. The certificate does not provide a content acceptance range or a separate pass/fail decision for quantity.
WHAT THE HEADLINE DOES NOT SAY
Four limits that belong beside the score.
The report does not name PolixLabs
Janoshik report #93024 names www.zen-peptide.com as the client and ZEN as the manufacturer. PolixLabs links the report, but the document itself does not establish that PolixLabs submitted or controlled the tested sample.
The batch is listed as unknown
The certificate cannot be matched to a PolixLabs vial or current inventory lot using the public fields shown. A laboratory-verifiable report and a supplier-lot match are separate questions.
Four evidence categories are absent
The linked report does not show lot traceability, sterility, endotoxin, heavy metals, residual solvents, or another contaminant screen for this sample.
The result is from December 2025
The assay is useful evidence for the tested sample, but it should not be treated as proof of a different or future lot. Buyers should request a current PolixLabs lot number and a certificate that matches it.
COMPOUND IQ VERDICT
A real assay result—not a current PolixLabs lot-matched COA.
The Janoshik report provides meaningful identity, purity, and quantity evidence for the sample it tested. The central weakness is chain of custody: PolixLabs is not named, the batch is unknown, and the public record does not connect report #93024 to a specific current PolixLabs lot. That keeps this at 3/7 document coverage despite the strong purity number.
DISCLOSED PARTNER LINK
Inspect the current lot before relying on the report.
This is an affiliate link, and Compound IQ may earn a commission at no additional cost to you. Open the supplier record, identify the exact lot being offered, and require a certificate that matches that lot before making any research purchasing decision.
SOURCE DOCUMENTS
Inspect the evidence directly.
Read the original certificate, match any current vial to its exact lot, and do not extend this result to another batch or product.