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

Tirzepatide 99.6% Purity — Reta PeptideCertificate of Analysis · Independent third-party lab result

Tested purity 99.6% High purity · 99.60%
Dose vs label +38.0% Over the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabG tested this Tirzepatide at 99.6% purity via HPLC. The tested quantity was 13.8mg against a 10mg label, a significant deviation of 38%. Endotoxin status is not applicable, and the test is recent (3-6 months old). Customers can cross-check on the lab's public verification URL.

Watch out for
  • high quantity deviation
  • no endotoxin test
  • no batch ID
Test date
2025-12-29
Testing lab
LabG
Batch / lot
(no batch ID)
Quantity
13.8mg
label 10mg · tested 13.8mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
4.0
Label dose
10mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.60% ranks higher than 18% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2025-12-29 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 50% of our catalogued Tirzepatide certificates.

Reta Peptide has 249 certificates in our corpus, including 38 for Tirzepatide at a median tested purity of 99.87%.

Manufacturer
Reta 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
10mg
Container
White Label / Copper Crimp / Clear Cap
Catalogued
2026-04-16
Artifact hash
71d748cc0ca0cf5c…
Saved source

Saved source document

sha256:bc4a0cd283e20e1b… — immutable copy held by TitrateLab

Related

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