All Tirzepatide Certificate of Analysis results— 7380 COAs
TitrateLab · Certificate of Analysis

Tirzepatide 99.9% Purity — Reta PeptideCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.864%
Dose vs label 33.12 mg · tested 33.12 mg
Evidence Artifact captured Trust: medium
AI summary Third-party lab

Janoshik tested this tirzepatide from reta-peptide.com at 99.864% purity. The tested quantity was 33.12 mg. The test is recent (3-6 months old), and customers can cross-check on the lab's public verification URL. However, the test method, batch ID, and endotoxin status are not specified on the report.

Watch out for
  • no endotoxin test
  • vague purity language
  • batch ID missing
Test date
2025-11-19
Testing lab
Janoshik
Batch / lot
Quantity
33.12 mg
Endotoxins
Assay method
Label dose
33.12mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.86% ranks higher than 60% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2025-11-19 by Janoshik. This test is newer than 41% of our catalogued Tirzepatide certificates.

Reta Peptide has 249 certificates in our corpus, including 38 for Tirzepatide at a median tested purity of 99.87%.

Manufacturer
Reta Peptide
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 shown here.

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Dose
33.12mg
Catalogued
2026-04-16
Artifact hash
049565b34f2eace4…
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": 99.864,
  "purity_label": "99.864%",
  "method": "",
  "test_date": "2025-11-19",
  "client": "[EMAIL_REDACTED]",
  "notes": "",
  "label_qty": "",
  "tested_qty": "33.12 mg",
  "quantity_deviation_pct": null,
  "is_blend": false,
  "components_json": "",
  "ocr_confidence": 0.98
}
Related

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All Tirzepatide results & stats
This certificate is part of TitrateLab's community-trust corpus. See more from Reta Peptide or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →