All Retatrutide Certificate of Analysis results— 9826 COAs
TitrateLab · Certificate of Analysis

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

Tested purity 99.9% High purity · 99.90%
Dose vs label +3.3% Essentially at label
Evidence Artifact captured Trust: medium
AI summary Third-party lab

This COA was tested by an independent third-party lab, LabE. It reports 99.9% purity for Retatrutide via HPLC and mass quantification. The tested quantity of 15.5mg showed a 3.3% deviation from the 15mg label. Endotoxin status is not applicable, and the test date is unknown, making recency impossible to assess. Customers can verify this report on the lab's public URL.

Watch out for
  • no batch ID
  • unknown test date
  • no endotoxin test
Test date
Testing lab
LabE
Batch / lot
(no batch ID)
Quantity
15.5mg
label 15mg · tested 15.5mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
8.0
Label dose
15mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.90% ranks higher than 70% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

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

GYC has 282 certificates in our corpus, including 77 for Retatrutide at a median tested purity of 99.72%.

Manufacturer
GYC
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Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Finnrick

Artifact captured

We have the certificate image (SHA-256 hash captured) — you can verify it loads from the upstream lab and matches the artifact shown here.

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Method
HPLC + mass quantification + endotoxins
Test type
finnrick_composite
Dose
15mg
Container
No Label / Red Crimp / Clear Cap
Catalogued
2026-04-16
Artifact hash
0a6b5bdd9320c009…
Saved source

Saved source document

sha256:b1f9742b658f1022… — immutable copy held by TitrateLab

Related

Other Retatrutide certificates

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