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

Retatrutide 99.8% Purity — Zlz PeptideCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity · 99.77%
Dose vs label +13.5% Over the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabA tested this retatrutide at 99.77% purity via HPLC. The quantity tested was 11.35mg against a 10mg label, showing a 13.5% deviation. Endotoxin status is not applicable, 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 (13.5%)
Test date
2025-10-24
Testing lab
LabA
Batch / lot
(no batch ID)
Quantity
11.35mg
label 10mg · tested 11.35mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
5.5
Label dose
10mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.77% ranks higher than 37% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-10-24 by LabA via HPLC + mass quantification + endotoxins. This test is newer than 22% 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
eb9350a4e91f1221…
Saved source

Saved source document

sha256:60307591c2c7f5e4… — 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 →