All Retatrutide Certificate of Analysis results— 9826 COAs
TitrateLab · Certificate of Analysis

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

Tested purity 99.8% High purity · 99.728%; 99.796%; 99.775%.
Dose vs label +11.6% Over the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

Janoshik tested this retatrutide at 99.775% purity via HPLC. The tested quantity of 33.47mg showed an 11.57% deviation from the 30mg label. The test is recent (3-6 months old), but endotoxin status is unknown. Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • quantity deviation (11.57%)
  • batch ID unknown
Test date
2025-11-26
Testing lab
Janoshik
Batch / lot
Quantity
33.47mg
label 30mg · tested 33.47mg
Endotoxins
Assay method
HPLC
Label dose
30mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.78% ranks higher than 38% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-11-26 by Janoshik via HPLC. This test is newer than 29% 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

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Method
HPLC
Dose
30mg
Catalogued
2026-04-22
Artifact hash
e609c8045dd2f41c…
OCR text Raw extracted text

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

{"peptide": "Retatrutide", "dose": "30mg", "purity_pct": 99.775, "purity_label": "99.728%; 99.796%; 99.775%.", "method": "HPLC", "test_date": "2025-11-26", "client": "[EMAIL_REDACTED]", "notes": "", "label_qty": "30mg", "tested_qty": "33.47mg", "quantity_deviation_pct": 11.57, "is_blend": false, "components_json": "", "ocr_confidence": 0.95}
Related

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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 →