AI summary Trust: medium Third-party lab

Janoshik tested this tirzepatide at 99.774% purity via HPLC. The tested quantity of 16.47mg showed a 9.8% deviation from the 15mg label. The test is recent (under 3 months), and customers can cross-check on the lab's public verification URL. Endotoxin status is unknown.

Watch out for
  • no endotoxin test
  • quantity deviation (9.8%)
Test date
2026-03-17
Purity
99.77% 99.774%
Batch / lot
—
Lab
Janoshik
Quantity
label 15mg tested 16.47mg
Qty vs label
+9.8%
Endotoxins
—
Test score
—
Manufacturer
Zlz Peptide
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
Dose
15mg
Catalogued
2026-04-24
Artifact hash
d6e725bce1aacaab…
OCR text

Raw extracted text

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

{"peptide": "Tirzepatide", "dose": "15mg", "purity_pct": 99.774, "purity_label": "99.774%", "method": "HPLC", "test_date": "2026-03-17", "client": "ZLZ Peptides", "notes": "", "label_qty": "15mg", "tested_qty": "16.47mg", "quantity_deviation_pct": 9.8, "is_blend": false, "components_json": "", "ocr_confidence": 0.95}
This COA is part of TitrateLab's community-trust corpus. See more from Zlz Peptide or learn how trust scores are computed on the methodology page.