All Retatrutide Certificate of Analysis results(10,468 COAs)
TitrateLab · Certificate of Analysis
Tested vendor:Zlz Peptide All Retatrutide COAs & research All Retatrutide results & stats

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

Tested purity 99.9% High purity · 99.9%
Dose vs label +8.7% Over the labeled dose
Evidence Artifact captured
Test date
2026-05-13
Testing lab
LabE
Batch / lot
(no batch ID)
Quantity
16.3mg
label 15mg · tested 16.3mg
Endotoxins
—
Assay method
HPLC + mass quantification + endotoxins
Test score
6.8
Label dose
15mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.90% ranks higher than 70% of the 10463 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-05-13 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 71% of our catalogued Retatrutide certificates.

Zlz Peptide has 280 certificates in our corpus, including 102 for Retatrutide at a median tested purity of 99.85%.

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
15mg
Container
White Label / Silver Crimp / Clear Cap
Catalogued
2026-05-23
Artifact hash
660c1501f30ec5cf…
Saved source

Saved source document

sha256:899ed8749d3e9afe… — immutable copy held by TitrateLab

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Related

Other Retatrutide certificates

[NAME_REDACTED] Retatrutide
99.8% 2026-08-01
Freedom Diagnostics Gladdix Peptides Retatrutide
99.8% 2026-07-31
Freedom Diagnostics Gladdix Peptides Retatrutide
99.5% 2026-07-31
Freedom Diagnostics Genesis Wellness Retatrutide
99.5% 2026-07-31
Freedom Diagnostics Genesis Peptides Retatrutide
99.9% 2026-07-31
Freedom Diagnostics Foundation Aminos, Inc. Retatrutide
99.9% 2026-07-31
Freedom Diagnostics Forbidden Fruit Retatrutide
99.9% 2026-07-31
Freedom Diagnostics Felix Chemical Supply Retatrutide
99.9% 2026-07-31
Freedom Diagnostics
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 →