All Retatrutide Certificate of Analysis results— 9828 COAs
TitrateLab · Certificate of Analysis

Retatrutide 99.5% Purity — SPBCertificate of Analysis · Independent third-party lab result

Tested purity 99.5% High purity
Dose vs label +9.4% Over the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

Janoshik tested this retatrutide batch at 99.526% purity via HPLC. The tested quantity was 21.88 mg, showing a 9.4% deviation from the 20 mg label. Endotoxin status is unknown. The test is older (6-12 months), but customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • older (6-12 months)
  • quantity deviation (9.4%)
Test date
2025-06-24
Testing lab
Janoshik
Batch / lot
Quantity
21.88 mg
label 20 mg · tested 21.88 mg
Endotoxins
Assay method
HPLC
Context

How this result compares

This Retatrutide certificate's tested purity of 99.53% ranks higher than 16% of the 9823 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-06-24 by Janoshik via HPLC. This test is newer than 7% of our catalogued Retatrutide certificates.

SPB has 64 certificates in our corpus, including 12 for Retatrutide at a median tested purity of 99.70%.

Manufacturer
SPB
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Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Janoshik (public)

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
Test type
purity+quantity
Catalogued
2026-04-22
Artifact hash
0317533495a11c31…
Related

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