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

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

Tested purity 99.7% High purity · 99.74%
Dose vs label +4.0% Essentially at label
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabE tested this retatrutide at 99.74% purity via HPLC. Quantity was 4% over the 10mg label, and the test is older (6-12 months). No endotoxin test was performed. Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • older (6-12 months)
  • no batch ID
Test date
2025-10-21
Testing lab
LabE
Batch / lot
(no batch ID)
Quantity
10.4mg
label 10mg · tested 10.4mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
7.6
Label dose
10mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.74% ranks higher than 34% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-10-21 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 21% of our catalogued Retatrutide certificates.

Zlz Peptide has 274 certificates in our corpus, including 100 for Retatrutide at a median tested purity of 99.84%.

Manufacturer
Zlz Peptide
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Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Finnrick

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 + mass quantification + endotoxins
Test type
finnrick_composite
Dose
10mg
Container
No Label / Silver Crimp / Green Cap
Catalogued
2026-04-16
Artifact hash
77ef3b826c91a90b…
Saved source

Saved source document

sha256:17d4e352395bb3d1… — immutable copy held by TitrateLab

Related

Other Retatrutide certificates

All Retatrutide results & stats
This certificate is part of TitrateLab's community-trust corpus. See more from Zlz Peptide or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →