All Retatrutide Certificate of Analysis results(11,311 COAs)
TitrateLab · Certificate of Analysis

Retatrutide 99.7% Purity — Zhuoyan PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 99.7% High purity · 99.7%
Dose vs label +1.0% Essentially at label
Evidence Source archived
Test date
2026-05-13
Testing lab
LabG
Batch / lot
3/2/26
Quantity
10.1mg
label 10mg · tested 10.1mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
9.5
Label dose
10mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.70% ranks higher than 28% of the 11306 Retatrutide certificates with a purity result we have catalogued (median 99.84%).

Tested 2026-05-13 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 67% of our catalogued Retatrutide certificates.

Zhuoyan Peptides has 4 certificates in our corpus, including 4 for Retatrutide at a median tested purity of 49.85%.

Manufacturer
Zhuoyan Peptides
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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
10mg
Container
No label / Silver crimp / Yellow cap
Catalogued
2026-06-21
Saved source

Saved source document

sha256:b6194df759d74430… — immutable copy held by TitrateLab

Related

Other Retatrutide certificates

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