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

Semaglutide 99.8% Purity — Zlz PeptideCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity · 99.85%
Dose vs label -2.7% Essentially at label
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabE tested this semaglutide from Zlz Peptide at 99.85% purity via HPLC and mass quantification. The tested quantity was 14.6mg against a 15mg label, a deviation of -2.7%. The test is recent (3-6 months old), but endotoxin status is unknown. Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • no batch ID
Test date
2025-12-11
Testing lab
LabE
Batch / lot
(no batch ID)
Quantity
14.6mg
label 15mg · tested 14.6mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
7.9
Label dose
15mg
Context

How this result compares

This Semaglutide certificate's tested purity of 99.85% ranks higher than 70% of the 859 Semaglutide certificates with a purity result we have catalogued (median 99.74%).

Tested 2025-12-11 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 87% 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
View vendor profile
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.

Verify on the upstream lab
Method
HPLC + mass quantification + endotoxins
Test type
finnrick_composite
Dose
15mg
Container
No Label / Copper Crimp / Clear Cap
Catalogued
2026-04-16
Artifact hash
11b75b9220e26a98…
Saved source

Saved source document

sha256:746aa10444248ef1… — immutable copy held by TitrateLab

Related

Other Semaglutide certificates

All Semaglutide results & stats
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 →