All Retatrutide Certificate of Analysis results(10,468 COAs)
TitrateLab · Certificate of Analysis

Retatrutide 99.3% Purity — GYCCertificate of Analysis · Independent third-party lab result

Tested purity 99.3% High purity · 99.266%; 99.337%.
Dose vs label +11.6% Over the labeled dose
Evidence Artifact captured
Test date
2026-04-27
Testing lab
Janoshik
Batch / lot
Quantity
11.16mg
label 10mg · tested 11.16mg
Endotoxins
Assay method
HPLC
Label dose
10mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.27% ranks higher than 8% of the 10463 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-04-27 by Janoshik via HPLC. This test is newer than 66% of our catalogued Retatrutide certificates.

GYC has 284 certificates in our corpus, including 78 for Retatrutide at a median tested purity of 99.73%.

Manufacturer
GYC
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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
10mg
Catalogued
2026-05-23
OCR text Raw extracted text

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

{
  "peptide": "Retatrutide",
  "dose": "10mg",
  "purity_pct": 99.266,
  "purity_label": "99.266%; 99.337%.",
  "method": "",
  "test_date": "2026-04-27",
  "client": "G",
  "notes": "",
  "label_qty": "10mg",
  "tested_qty": "11.16mg",
  "quantity_deviation_pct": 11.6,
  "is_blend": false,
  "components_json": "",
  "ocr_confidence": 1.0
}
Related

Other Retatrutide certificates

All Retatrutide results & stats
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 →