All Retatrutide Certificate of Analysis results(11,275 COAs)
TitrateLab · Certificate of Analysis
Tested vendor:Crestpeptide All Retatrutide COAs & research All Retatrutide results & stats

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

Tested purity 99.9% High purity · 99.9%
Dose vs label -8.7% Under the labeled dose
Evidence Source archived
Test date
2026-03-06
Testing lab
LabE
Batch / lot
(no batch ID)
Quantity
27.4mg
label 30mg · tested 27.4mg
Endotoxins
—
Assay method
HPLC + mass quantification + endotoxins
Test score
6.8
Label dose
30mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.90% ranks higher than 71% of the 11270 Retatrutide certificates with a purity result we have catalogued (median 99.84%).

Tested 2026-03-06 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 52% of our catalogued Retatrutide certificates.

Crestpeptide has 4 certificates in our corpus, including 4 for Retatrutide at a median tested purity of 99.93%.

Manufacturer
Crestpeptide
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Source

Finnrick

Source archived

We archived this certificate's source document — an immutable, SHA-256-fingerprinted copy held by TitrateLab (see Saved source document below). It stays verifiable even if the upstream page disappears.

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Method
HPLC + mass quantification + endotoxins
Test type
finnrick_composite
Dose
30mg
Container
No Label / Silver Crimp / Green Cap
Catalogued
2026-06-21
Saved source

Saved source document

sha256:a34a40c96ff18460… — immutable copy held by TitrateLab

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Related

Other Retatrutide certificates

RRP Retatrutide
99.8% 2026-08-03
Freedom Diagnostics Rocky Mountain Compounds Retatrutide
99.6% 2026-08-02
Freedom Diagnostics Power Peptides Retatrutide
99.9% 2026-08-02
Freedom Diagnostics Peptaris Retatrutide
99.8% 2026-08-02
Freedom Diagnostics PurgoLabs LLC Retatrutide
100.0% 2026-08-01
Freedom Diagnostics Peptaris Retatrutide
99.9% 2026-08-01
Freedom Diagnostics Pep of Life Retatrutide
99.6% 2026-08-01
Freedom Diagnostics Pep of Life Retatrutide
99.7% 2026-08-01
Freedom Diagnostics
All Retatrutide results & stats
This certificate is part of TitrateLab's community-trust corpus. See more from Crestpeptide or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →