AI summary Trust: medium Third-party lab

Janoshik tested this tirzepatide at 99.828% purity via HPLC. The test is recent (3-6 months old). However, the COA is missing endotoxin results and a clear batch ID. Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • missing batch ID
Test date
2025-11-26
Purity
99.83% 99.828%; 99.874%; 99.854%.
Batch / lot
—
Lab
Janoshik
Quantity
label — tested 37.31 mg; 34.92 mg; 34.60 mg
Qty vs label
—
Endotoxins
—
Test score
—
Manufacturer
Barn
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.

Verify on upstream
Method
HPLC
Catalogued
2026-04-22
Artifact hash
18df76e3a2ff0fbb…
OCR text

Raw extracted text

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

{"peptide": "Tirzepatide", "dose": "", "purity_pct": 99.828, "purity_label": "99.828%; 99.874%; 99.854%.", "method": "HPLC", "test_date": "2025-11-26", "client": "[EMAIL_REDACTED]", "notes": "", "label_qty": "", "tested_qty": "37.31 mg; 34.92 mg; 34.60 mg", "quantity_deviation_pct": null, "is_blend": false, "components_json": "", "ocr_confidence": 0.85}
This COA is part of TitrateLab's community-trust corpus. See more from Barn or learn how trust scores are computed on the methodology page.