All Tirzepatide Certificate of Analysis results(8,107 COAs)
TitrateLab · Certificate of Analysis

Tirzepatide — www.optimasupply.netCertificate of Analysis · Independent third-party lab result

Purity Not reported This certificate did not report an HPLC purity figure.
Dose vs label 16.87 mg; 16.82 mg Label 15mg · tested 16.87 mg; 16.82 mg
Evidence URL referenced
Test date
2024-03-19
Testing lab
Janoshik
Batch / lot
Quantity
16.87 mg; 16.82 mg
label 15mg · tested 16.87 mg; 16.82 mg
Endotoxins
Assay method
Label dose
15mg
Context

How this result compares

We have catalogued 8481 Tirzepatide certificates; across the 8104 with a purity result the median tested purity is 99.83%.

Tested 2024-03-19 by Janoshik. This test is newer than 1% of our catalogued Tirzepatide certificates.

www.optimasupply.net has 3 certificates in our corpus, including 2 for Tirzepatide at a median tested purity of 99.89%.

Manufacturer
www.optimasupply.net
View vendor profile
Source

Janoshik (public)

URL referenced

This entry references an upstream lab URL we crawled. We did not save the artifact, so we can't prove the report still loads as it did when we catalogued it.

Verify on the upstream lab
Dose
15mg
Catalogued
2026-06-20
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": null,
  "purity_label": "99.729%; 99.755%",
  "method": "",
  "test_date": "2024-03-19",
  "client": "www.optimasupply.net",
  "notes": "",
  "label_qty": "15mg",
  "tested_qty": "16.87 mg; 16.82 mg",
  "quantity_deviation_pct": null,
  "is_blend": false,
  "components_json": "",
  "ocr_confidence": 0.95
}
Related

Other Tirzepatide certificates

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