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

Retatrutide 99.2% Purity — GYCCertificate of Analysis · Independent third-party lab result

Tested purity 99.2% High purity · 99.132%; 99.311%; 99.241%.
Dose vs label +14.2% Over the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

Janoshik tested this retatrutide at 99.228% purity via HPLC. The tested quantity of 34.25mg showed a significant 14.17% deviation from the 30mg label. Endotoxin status is unknown, and the test is older (6-12 months). Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • stale (6-12 months)
  • quantity deviation (14%+)
Test date
2025-11-05
Testing lab
Janoshik
Batch / lot
Quantity
34.25mg
label 30mg · tested 34.25mg
Endotoxins
Assay method
HPLC
Label dose
30mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.23% ranks higher than 7% of the 9823 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-11-05 by Janoshik via HPLC. This test is newer than 24% 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
30mg
Catalogued
2026-04-22
Artifact hash
90eae17c7b1dad05…
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": 99.228, "purity_label": "99.132%; 99.311%; 99.241%.", "method": "HPLC", "test_date": "2025-11-05", "client": "G", "notes": "", "label_qty": "30mg", "tested_qty": "34.25mg", "quantity_deviation_pct": 14.17, "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 GYC or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →