AI summary Trust: medium Third-party lab

Janoshik tested this Tirzepatide from Penguin Peptides at 99.859% purity via HPLC + MS. The tested quantity was 11.67% over the 60mg label. The test is recent (3-6 months old), but the COA does not include an endotoxin test. Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • quantity deviation (+11.67%)
Test date
2026-01-21
Purity
99.86% 99.859%
Batch / lot
—
Lab
Janoshik
Quantity
label 60mg tested 67.00 mg
Qty vs label
+11.7%
Endotoxins
—
Test score
—
Manufacturer
Penguin Peptides
View vendor profile
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 + MS
Dose
60mg
Catalogued
2026-04-16
Artifact hash
7dc8f0b615af309c…
OCR text

Raw extracted text

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

{
  "peptide": "Tirzepatide",
  "dose": "60mg",
  "purity_pct": 99.859,
  "purity_label": "99.859%",
  "method": "HPLC",
  "test_date": "2026-01-21",
  "client": "Penguin Peptides",
  "notes": "",
  "label_qty": "60mg",
  "tested_qty": "67.00 mg",
  "quantity_deviation_pct": 11.67,
  "is_blend": false,
  "components_json": "",
  "ocr_confidence": 0.95
}
This COA is part of TitrateLab's community-trust corpus. See more from Penguin Peptides or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →