All Semaglutide Certificate of Analysis results— 859 COAs
TitrateLab · Certificate of Analysis

Semaglutide 99.9% Purity — Zlz PeptideCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.90%
Dose vs label +17.5% Over the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabG tested this semaglutide at 99.9% purity via HPLC and mass quantification. The tested quantity of 23.5mg showed a significant 17.5% deviation from the 20mg label. Endotoxin status is unknown, and the test is older (6-12 months). Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • stale (6-12 months)
  • high quantity deviation (17.5%)
Test date
2025-10-14
Testing lab
LabG
Batch / lot
(no batch ID)
Quantity
23.5mg
label 20mg · tested 23.5mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
5.3
Label dose
20mg
Context

How this result compares

This Semaglutide certificate's tested purity of 99.90% ranks higher than 80% of the 859 Semaglutide certificates with a purity result we have catalogued (median 99.74%).

Tested 2025-10-14 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 79% of our catalogued Semaglutide certificates.

Zlz Peptide has 274 certificates in our corpus, including 10 for Semaglutide at a median tested purity of 99.83%.

Manufacturer
Zlz Peptide
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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
20mg
Container
No Label / Silver Crimp / Violet Cap
Catalogued
2026-04-16
Artifact hash
a05ead85fe1cbb95…
Saved source

Saved source document

sha256:e471f589e6178039… — immutable copy held by TitrateLab

Related

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