All Tirzepatide Certificate of Analysis results— 7380 COAs
TitrateLab · Certificate of Analysis

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

Tested purity 99.8% High purity · 99.80%
Dose vs label +17.3% Over the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabG tested this tirzepatide at 99.8% purity via HPLC and mass quantification. The tested quantity of 35.2mg was significantly higher than the 30mg label, a deviation of 17.3%. Endotoxin status is not applicable, and the test is recent (3-6 months old).

Watch out for
  • quantity deviation (17.3%)
  • no batch ID
  • no endotoxin test
Test date
2026-01-07
Testing lab
LabG
Batch / lot
(no batch ID)
Quantity
35.2mg
label 30mg · tested 35.2mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
5.1
Label dose
30mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.80% ranks higher than 43% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-01-07 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 52% of our catalogued Tirzepatide certificates.

Zlz Peptide has 274 certificates in our corpus, including 94 for Tirzepatide at a median tested purity of 99.80%.

Manufacturer
Zlz Peptide
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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
30mg
Container
No Label / Silver Crimp / Black Cap
Catalogued
2026-04-16
Artifact hash
9a3f8034c81d1180…
Saved source

Saved source document

sha256:e1544f80fd2b62d3… — 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 →