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

Retatrutide 99.9% Purity — Zlz PeptideCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.90%
Dose vs label -3.3% Essentially at label
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabE tested this retatrutide batch (01-01-2026) at 99.9% purity via HPLC and mass quantification. The tested quantity was 29mg against a 30mg label (-3.3% deviation). Endotoxin status is not applicable for this test. The test is recent (under 3 months old). Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
Test date
2026-03-10
Testing lab
LabE
Batch / lot
01-01-2026
Quantity
29mg
label 30mg · tested 29mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
10.0
Label dose
30mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.90% ranks higher than 70% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-03-10 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 59% 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

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Method
HPLC + mass quantification + endotoxins
Test type
finnrick_composite
Dose
30mg
Container
No Label / Silver Crimp / Pink Cap
Catalogued
2026-04-16
Artifact hash
e45eae5aa14779d8…
Saved source

Saved source document

sha256:965c1c172df33bae… — immutable copy held by TitrateLab

Related

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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 →