All Retatrutide Certificate of Analysis results(10,452 COAs)
TitrateLab · Certificate of Analysis
Tested vendor:Zzq Peptides All Retatrutide COAs & research All Retatrutide results & stats

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

Tested purity 99.9% High purity · 99.9%
Dose vs label +2.5% Essentially at label
Evidence Source archived
Test date
2026-04-28
Testing lab
LabE
Batch / lot
ZZQr20pc32026
Quantity
20.5mg
label 20mg · tested 20.5mg
Endotoxins
—
Assay method
HPLC + mass quantification + endotoxins
Test score
10.0
Label dose
20mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.90% ranks higher than 70% of the 10447 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-04-28 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 67% of our catalogued Retatrutide certificates.

Zzq Peptides has 58 certificates in our corpus, including 18 for Retatrutide at a median tested purity of 99.81%.

Manufacturer
Zzq 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
20mg
Container
White Label / Silver Crimp / Violet Cap
Catalogued
2026-06-14
Saved source

Saved source document

sha256:4e4a6d92c2da99c6… — 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 Zzq Peptides or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →