Public COA audit

Klow · GHK-Cu

Audited July 28, 2026

Mostly consistent, with concerns

Several fields check out, but we found issues worth reviewing before you rely on this document.

Legitimacy
92
Confidence
88%
Panels
5/7
Purity (printed)
99.47%

Document details

Fields extracted from the certificate — not order or payment data.

Batch / lot
CRKLO-80-2604-1
Identity method
HPLC
Sample date
2026-04-17
Issue date
2026-04-22

7-panel checklist

Had data + good, had data + bad, reported without pass/fail, or missing. Missing lowers thoroughness — you decide whether that panel matters; PeptIQ’s score still factors coverage.

5 of 7 present · 5 passed · 0 failed · 0 reported · 2 missing

Missing is a thoroughness gap — not automatically bad. PeptIQ’s legitimacy score still weighs panel coverage; you can down-weight panels that don’t matter for your use case.

  • Identity

    Tested · passed · core

    Compound identity confirmed (e.g. HPLC, mass spec).

    Confirmed (GHK-Cu, KPV, BPC-157, TB-4)

  • Purity

    Tested · passed · core

    Reported purity percentage for the analyte.

    99.47%

  • Heavy metals

    Tested · passed

    Lead, arsenic, cadmium, mercury, or similar limits.

    All Not Detected (As, Cd, Cr, Hg, Pb)

  • Microbial

    Not on this COA

    Bioburden / microbial limits testing.

    No evidence for this panel. That lowers thoroughness — whether it matters depends on what you care about.

  • Endotoxin

    Tested · passed · core

    LAL or chromogenic endotoxin assay.

    NMT 0.05 EU/mL

  • Sterility

    Tested · passed

    Sterility testing where applicable.

    No Growth

  • Residual solvent / water

    Not on this COA

    Residual solvents or water content limits.

    No evidence for this panel. That lowers thoroughness — whether it matters depends on what you care about.

How to read this

Had data · good

Panel present with a pass (or clear acceptance).

Had data · bad

Panel present with a fail — a concrete quality signal.

Had data · unclear

Value reported without an explicit pass/fail mark.

Missing

Not on this certificate. Lowers thoroughness; you decide if that panel matters for your use case. PeptIQ’s score still factors coverage.

Findings

Evidence-linked observations from this audit.

  • High HPLC purity

    99.47% purity by HPLC with conformity testing across 3 samples (mean 99.42%, std dev 0.045%) demonstrates excellent batch consistency and quality control

  • Multi-component identity confirmed

    All four peptide components (GHK-Cu, BPC-157, TB-4, KPV) confirmed present by HPLC retention time comparison with reference standards

  • Comprehensive testing panel

    Full QC panel includes purity, identity, sterility (PCR), endotoxin, heavy metals (ICP-MS), and conformity testing with chromatogram provided

  • Clear batch identification

    Lot number CRKLO-80-2604-1, COA number COA-2026-D0URCR, and accession number ACC-2026-0943 all clearly documented

  • Appropriate timeline

    Sample received 04/17/2026, analyzed and issued 04/22/2026 - reasonable 5-day turnaround for full QC panel

  • ISO/IEC 17025 accreditation claimed

    ILS Laboratories claims ISO/IEC 17025 accreditation with complete contact information (8222 Vickers St, Suite 106, San Diego, CA 92111)

  • Lab verification recommended

    While the COA appears professionally formatted with appropriate testing panels, independent verification of ILS Laboratories' accreditation status and the provided verification URL is recommended

  • Professional presentation

    Well-structured 2-page COA with clear tables, HPLC chromatogram, QR code for verification, detailed methodology notes, and lab director signature

PeptIQ COA reports analyze document content and publicly verifiable lab signals. They are educational and not a guarantee of product quality, legality, or safety. Always consult a qualified professional before making health decisions. We never publish purchase prices, shipping details, or uploader identity.