All Retatrutide Certificate of Analysis results— 9827 COAs
TitrateLab · Certificate of Analysis

Retatrutide 100.0% Purity — Royal PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 100.0% High purity · 99.95%
Dose vs label -50.4% Under the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabE tested this retatrutide at 99.95% purity via HPLC, with mass quantification and endotoxins below LOQ. However, the tested quantity was 11.4mg against a 23mg label, representing a significant -50.4% deviation. The test date and recency are unknown, and no batch ID was provided.

Watch out for
  • quantity deviation (-50.4%)
  • unknown test date
  • no batch ID
Test date
Testing lab
LabE
Batch / lot
(no batch ID)
Quantity
11.4mg
label 23mg · tested 11.4mg
Endotoxins
below LOQ
Assay method
HPLC + mass quantification + endotoxins
Test score
4.6
Label dose
23mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.95% ranks higher than 91% of the 9822 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Testing method by LabE via HPLC + mass quantification + endotoxins.

Royal Peptides has 39 certificates in our corpus, including 18 for Retatrutide at a median tested purity of 99.72%.

Manufacturer
Royal Peptides
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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
23mg
Container
No Label / Copper Crimp / Clear Cap
Catalogued
2026-04-16
Artifact hash
798f02575e612cfe…
Saved source

Saved source document

sha256:7d055bbf1ab96589… — immutable copy held by TitrateLab

Related

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