All Retatrutide Certificate of Analysis results— 9827 COAs
TitrateLab · Certificate of Analysis

Retatrutide 99.9% Purity — Penguin PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.880%
Dose vs label +7.8% Over the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

Janoshik tested this Retatrutide from Penguin Peptides at 99.88% purity. The tested quantity was 32.33mg, showing a 7.77% overfill compared to the 30mg label. Endotoxin status is unknown, and 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
  • unknown test method
Test date
2026-01-21
Testing lab
Janoshik
Batch / lot
Quantity
32.33 mg
label 30mg · tested 32.33 mg
Endotoxins
Assay method
Label dose
30mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.88% ranks higher than 61% of the 9822 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-01-21 by Janoshik. This test is newer than 42% of our catalogued Retatrutide certificates.

Penguin Peptides has 58 certificates in our corpus, including 5 for Retatrutide at a median tested purity of 99.72%.

Manufacturer
Penguin Peptides
View vendor profile
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
e0881d34029377a6…
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": 99.88,
  "purity_label": "99.880%",
  "method": "",
  "test_date": "2026-01-21",
  "client": "Penguin Peptides",
  "notes": "",
  "label_qty": "30mg",
  "tested_qty": "32.33 mg",
  "quantity_deviation_pct": 7.77,
  "is_blend": false,
  "components_json": "",
  "ocr_confidence": 1.0
}
Related

Other Retatrutide certificates

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