Public COA audit
Tirzepatide
Audited July 28, 2026
Several fields check out, but we found issues worth reviewing before you rely on this document.
- Legitimacy
- 72
- Confidence
- 85%
- Panels
- 1/7
Document details
Fields extracted from the certificate — not order or payment data.
- Batch / lot
- TZ202603
- Issue date
- 2026-03-26
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.
1 of 7 present · 1 passed · 0 failed · 0 reported · 6 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
Not on this COA · core
Compound identity confirmed (e.g. HPLC, mass spec).
No evidence for this panel. That lowers thoroughness — whether it matters depends on what you care about.
Purity
Not on this COA · core
Reported purity percentage for the analyte.
No evidence for this panel. That lowers thoroughness — whether it matters depends on what you care about.
Heavy metals
Tested · passed
Lead, arsenic, cadmium, mercury, or similar limits.
Pb <0.3 ppm, As <0.14 ppm, Cd <0.06 ppm, Hg <0.4 ppm
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
Not on this COA · core
LAL or chromogenic endotoxin assay.
No evidence for this panel. That lowers thoroughness — whether it matters depends on what you care about.
Sterility
Not on this COA
Sterility testing where applicable.
No evidence for this panel. That lowers thoroughness — whether it matters depends on what you care about.
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.
Incomplete Testing - Heavy Metals Only
This report contains only heavy metals analysis (ICP-MS). No identity confirmation (HPLC, MS), purity assessment, microbial testing, endotoxin, sterility, or residual solvent/water content panels are present. A complete COA for a peptide should include identity and purity at minimum.
Lab Verification Needed
Kovera Labs is listed with verification URL koveralabs.com/verify and access code F6CE64. The lab name and URL format appear professional, but independent verification of the lab's existence, accreditation status, and this specific report is recommended.
Analysis Date Valid
Analysis date of March 26, 2026 is within acceptable range (on or before 2026-07-28).
Batch Information Present
Lot/Batch number TZ202603 is clearly stated along with product name (Tirzepatide), strength (40 mg), and condition (Lyophilized).
Heavy Metals Panel Complete
Heavy metals testing shows all four key elements (Pb, As, Cd, Hg) below acceptance limits with proper spike recovery validation (98-105% within 70-150% criteria). Method blank, CCV, and duplicate RPD all pass QC checks.
Professional Presentation
Document formatting is consistent and professional with clear sections, proper authorization signatures (Liam Clarke, B.S., QC Analyst; David Cohen, M.S., Quality Director), sample ID (KVR-2026-59E1F5), and QR code for verification.
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.