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

Retatrutide 99.8% Purity — Mix PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity · 99.764%; 99.918%.
Dose vs label +18.4% Over the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

Janoshik tested this retatrutide at 99.764% purity via HPLC. The tested quantity of 59.18mg significantly exceeded the 50mg label by over 18%. 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 (18%+)
Test date
2025-11-04
Testing lab
Janoshik
Batch / lot
Quantity
59.18mg
label 50mg · tested 59.18mg
Endotoxins
Assay method
HPLC
Label dose
50mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.76% ranks higher than 37% of the 9823 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-11-04 by Janoshik via HPLC. This test is newer than 24% of our catalogued Retatrutide certificates.

Mix Peptides has 93 certificates in our corpus, including 29 for Retatrutide at a median tested purity of 99.76%.

Manufacturer
Mix 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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Method
HPLC
Dose
50mg
Catalogued
2026-04-22
Artifact hash
93f60833fcce5f9c…
OCR text Raw extracted text

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

{"peptide": "Retatrutide", "dose": "50mg", "purity_pct": 99.764, "purity_label": "99.764%; 99.918%.", "method": "HPLC", "test_date": "2025-11-04", "client": "MIX Peptides", "notes": "", "label_qty": "50mg", "tested_qty": "59.18mg", "quantity_deviation_pct": 18.36, "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 Mix Peptides or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →