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

Retatrutide 99.7% Purity — GYCCertificate of Analysis · Independent third-party lab result

Tested purity 99.7% High purity · 99.721%; 99.751%; 99.740%.
Dose vs label +7.6% Over the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

Janoshik tested this retatrutide batch at 99.721% purity via HPLC. The quantity tested was 10.76mg against a 10mg label, a deviation of 7.6%. Endotoxin status is unknown. 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
  • quantity deviation (7.6%)
Test date
2026-01-28
Testing lab
Janoshik
Batch / lot
Quantity
10.76mg
label 10mg · tested 10.76mg
Endotoxins
Assay method
HPLC
Label dose
10mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.72% ranks higher than 33% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-01-28 by Janoshik via HPLC. This test is newer than 45% 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

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Method
HPLC
Dose
10mg
Catalogued
2026-04-22
Artifact hash
696b7f2e18ebc93f…
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": 99.721, "purity_label": "99.721%; 99.751%; 99.740%.", "method": "HPLC", "test_date": "2026-01-28", "client": "G", "notes": "", "label_qty": "10mg", "tested_qty": "10.76mg", "quantity_deviation_pct": 7.6, "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 →