All Tirzepatide Certificate of Analysis results(7,680 COAs)
TitrateLab · Certificate of Analysis
Tested vendor:Reta Peptide All Tirzepatide COAs & research All Tirzepatide results & stats

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

Tested purity 99.8% High purity · 99.8%
Dose vs label -58.4% Under the labeled dose
Evidence Source archived
Test date
2026-06-04
Testing lab
LabG
Batch / lot
March 20, 2026
Quantity
20.8mg
label 50mg · tested 20.8mg
Endotoxins
—
Assay method
HPLC + mass quantification + endotoxins
Test score
6.3
Label dose
50mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.80% ranks higher than 42% of the 7677 Tirzepatide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-06-04 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 86% of our catalogued Tirzepatide certificates.

Reta Peptide has 262 certificates in our corpus, including 40 for Tirzepatide at a median tested purity of 99.87%.

Manufacturer
Reta Peptide
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Source

Finnrick

Source archived

We archived this certificate's source document — an immutable, SHA-256-fingerprinted copy held by TitrateLab (see Saved source document below). It stays verifiable even if the upstream page disappears.

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Method
HPLC + mass quantification + endotoxins
Test type
finnrick_composite
Dose
50mg
Container
No label / Silver crimp / Blue cap
Catalogued
2026-06-14
Saved source

Saved source document

sha256:71f223f0399bd2ae… — immutable copy held by TitrateLab

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Related

Other Tirzepatide certificates

Gladdix Peptides Tirzepatide
99.9% 2026-07-31
Freedom Diagnostics Genesis Peptides Tirzepatide
99.9% 2026-07-31
Freedom Diagnostics Forged Vaelor Research Tirzepatide
100.0% 2026-07-31
Freedom Diagnostics Forbidden Fruit AT Tirzepatide
99.9% 2026-07-31
Freedom Diagnostics Crownwell Research Tirzepatide
99.9% 2026-07-31
Freedom Diagnostics Estera Labs Tirzepatide
99.5% 2026-07-30
Freedom Diagnostics EJ Solis Ventures LLC Tirzepatide
99.8% 2026-07-29
Freedom Diagnostics Delta Peps Tirzepatide
100.0% 2026-07-28
Freedom Diagnostics
All Tirzepatide results & stats
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 →