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

Tirzepatide 99.8% Purity — www.reta-peptide.comCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity · 99.784%
Dose vs label +14.6% Over the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

Janoshik tested this Tirzepatide from www.reta-peptide.com at 99.784% purity. The tested quantity was 34.38mg, a 14.6% deviation from the 30mg label. The test is older (6-12 months), and details on the test method and endotoxin status are not available. Customers can cross-check on the lab's public verification URL.

Watch out for
  • older (6-12 months)
  • no endotoxin test
  • quantity deviation (14.6%)
Test date
2025-07-22
Testing lab
Janoshik
Batch / lot
Quantity
34.38 mg
label 30mg · tested 34.38 mg
Endotoxins
Assay method
Label dose
30mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.78% ranks higher than 38% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2025-07-22 by Janoshik. This test is newer than 20% of our catalogued Tirzepatide certificates.

www.reta-peptide.com has 8 certificates in our corpus, including 2 for Tirzepatide at a median tested purity of 99.66%.

Manufacturer
www.reta-peptide.com
View vendor profile
Peptides on this report
Tirzepatide
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
30mg
Catalogued
2026-04-16
Artifact hash
16a93dae83cfab76…
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": 99.784,
  "purity_label": "99.784%",
  "method": "",
  "test_date": "2025-07-22",
  "client": "[EMAIL_REDACTED]",
  "notes": "",
  "label_qty": "30mg",
  "tested_qty": "34.38 mg",
  "quantity_deviation_pct": 14.6,
  "is_blend": false,
  "components_json": "",
  "ocr_confidence": 1.0
}
Related

Other Tirzepatide certificates

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