AI summary Trust: medium Third-party lab

Janoshik tested this tirzepatide at 99.211% purity via HPLC. The tested quantity was 29.34mg against a 30mg label, a deviation of -2.2%. The test is recent (3-6 months old), but the COA does not include endotoxin results. Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • batch ID missing
Test date
2026-01-08
Purity
99.21% 99.211%
Batch / lot
—
Lab
Janoshik
Quantity
label 30mg tested 29.34 mg
Qty vs label
-2.2%
Endotoxins
—
Test score
—
Manufacturer
PeptideCritic
View vendor dossier
Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Janoshik (public)

✓ Artifact captured

We have the certificate image (SHA-256 hash captured) — you can verify it loads from the upstream lab and matches the artifact below.

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Method
HPLC
Dose
30mg
Catalogued
2026-04-16
Artifact hash
277d853de382e856…
OCR text

Raw extracted text

Extracted via OCR. Names, emails, phone numbers, and street addresses are auto-redacted before display. 

{
  "peptide": "Tirzepatide",
  "dose": "30mg",
  "purity_pct": 99.211,
  "purity_label": "99.211%",
  "method": "",
  "test_date": "2026-01-08",
  "client": "www.PeptideCritic.com Best Sources Available",
  "notes": "",
  "label_qty": "30mg",
  "tested_qty": "29.34 mg",
  "quantity_deviation_pct": -2.2,
  "is_blend": false,
  "components_json": "",
  "ocr_confidence": 0.98
}
This COA is part of TitrateLab's community-trust corpus. See more from PeptideCritic or learn how trust scores are computed on the methodology page.