All Retatrutide Certificate of Analysis results— 9828 COAs
TitrateLab · Certificate of Analysis

Retatrutide 99.8% Purity — BarnCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity · 99.779%; 99.872%; 99.883%.
Dose vs label 22.89 mg; 22.63 mg; 22.91 mg · tested 22.89 mg; 22.63 mg; 22.91 mg
Evidence Artifact captured Trust: medium
AI summary Third-party lab

Janoshik tested this retatrutide at 99.84% purity via HPLC, with multiple quantity readings around 22.8mg. The test is recent (under 3 months) and customers can cross-check on the lab's public verification URL. However, the batch ID is unknown, and there is no endotoxin test reported.

Watch out for
  • no endotoxin test
  • unknown batch ID
Test date
2026-04-01
Testing lab
Janoshik
Batch / lot
Quantity
22.89 mg; 22.63 mg; 22.91 mg
Endotoxins
Assay method
HPLC
Context

How this result compares

This Retatrutide certificate's tested purity of 99.84% ranks higher than 52% of the 9823 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-04-01 by Janoshik via HPLC. This test is newer than 63% of our catalogued Retatrutide certificates.

Barn has 54 certificates in our corpus, including 17 for Retatrutide at a median tested purity of 99.81%.

Manufacturer
Barn
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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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Method
HPLC
Catalogued
2026-04-24
Artifact hash
d12a2a4380fe9594…
OCR text Raw extracted text

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

{"peptide": "Retatrutide", "dose": "", "purity_pct": 99.84, "purity_label": "99.779%; 99.872%; 99.883%.", "method": "HPLC", "test_date": "2026-04-01", "client": "[EMAIL_REDACTED]", "notes": "", "label_qty": "", "tested_qty": "22.89 mg; 22.63 mg; 22.91 mg", "quantity_deviation_pct": null, "is_blend": false, "components_json": "", "ocr_confidence": 0.92}
Related

Other Retatrutide certificates

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