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

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

Tested purity 99.9% High purity · 99.861%; 99.883%; 99.866%.
Dose vs label 43.98 mg; 43.79 mg; 44.69 mg. Label 40mg · tested 43.98 mg; 43.79 mg; 44.69 mg.
Evidence Artifact captured Trust: medium
AI summary Third-party lab

Janoshik tested this tirzepatide at 99.861% purity via HPLC. The tested quantity averaged around 44.15 mg, significantly exceeding the 40mg label. The test is recent (3-6 months old). Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • quantity over-label
Test date
2026-01-02
Testing lab
Janoshik
Batch / lot
Quantity
43.98 mg; 43.79 mg; 44.69 mg.
label 40mg · tested 43.98 mg; 43.79 mg; 44.69 mg.
Endotoxins
Assay method
HPLC
Label dose
40mg
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 2026-01-02 by Janoshik via HPLC. This test is newer than 51% of our catalogued Tirzepatide certificates.

GYC has 282 certificates in our corpus, including 96 for Tirzepatide at a median tested purity of 99.84%.

Manufacturer
GYC
View vendor profile
Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Janoshik (public)

Artifact captured

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Method
HPLC
Dose
40mg
Catalogued
2026-04-16
OCR text Raw extracted text

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

{
  "peptide": "Tirzepatide",
  "dose": "40mg",
  "purity_pct": 99.861,
  "purity_label": "99.861%; 99.883%; 99.866%.",
  "method": "HPLC",
  "test_date": "2026-01-02",
  "client": "G",
  "notes": "",
  "label_qty": "40mg",
  "tested_qty": "43.98 mg; 43.79 mg; 44.69 mg.",
  "quantity_deviation_pct": null,
  "is_blend": false,
  "components_json": "",
  "ocr_confidence": 1.0
}
Related

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