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

Retatrutide 100.0% Purity — GYCCertificate of Analysis · Independent third-party lab result

Tested purity 100.0% High purity · 99.947%; 99.963%.
Dose vs label 69.20 mg; 68.31 mg Label 60mg · tested 69.20 mg; 68.31 mg
Evidence Artifact captured Trust: medium
AI summary Third-party lab

Janoshik tested this retatrutide batch at 99.955% purity via HPLC. The test is recent (under 3 months) and shows a significant overage in quantity compared to the 60mg label (69.20mg and 68.31mg tested). Endotoxin status is not reported. Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • unknown batch ID
Test date
2026-03-30
Testing lab
Janoshik
Batch / lot
Quantity
69.20 mg; 68.31 mg
label 60mg · tested 69.20 mg; 68.31 mg
Endotoxins
Assay method
HPLC
Label dose
60mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.95% ranks higher than 94% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-03-30 by Janoshik via HPLC. This test is newer than 63% of our catalogued Retatrutide certificates.

GYC has 282 certificates in our corpus, including 77 for Retatrutide at a median tested purity of 99.72%.

Manufacturer
GYC
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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Method
HPLC
Dose
60mg
Catalogued
2026-04-22
Artifact hash
549889a68346d9db…
OCR text Raw extracted text

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

{"peptide": "Retatrutide", "dose": "60mg", "purity_pct": 99.955, "purity_label": "99.947%; 99.963%.", "method": "HPLC", "test_date": "2026-03-30", "client": "G", "notes": "", "label_qty": "60mg", "tested_qty": "69.20 mg; 68.31 mg", "quantity_deviation_pct": null, "is_blend": false, "components_json": "", "ocr_confidence": 0.85}
Related

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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 →