All Tirzepatide Certificate of Analysis results— 7306 COAs
TitrateLab · Certificate of Analysis

Tirzepatide 100.0% Purity — RL Bioresearch LLCCertificate of Analysis · Independent third-party lab result

Tested purity 100.0% High purity · 99.978%
Dose vs label +3.4% Essentially at label
Evidence Source archived
Test date
2025-10-31
Testing lab
Freedom Diagnostics
Batch / lot
Quantity
20.67 mg
label 20mg · tested 20.67 mg
Endotoxins
Assay method
HPLC + MS
Label dose
20mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.98% ranks higher than 98% of the 7304 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2025-10-31 by Freedom Diagnostics via HPLC + MS. This test is newer than 37% of our catalogued Tirzepatide certificates.

RL Bioresearch LLC has 70 certificates in our corpus, including 15 for Tirzepatide at a median tested purity of 99.89%.

Manufacturer
RL Bioresearch LLC
View vendor profile
Source

Freedom Diagnostic

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.

Method
HPLC + MS
Test type
freedom_composite
Dose
20mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:b6a59d751f823115… — immutable copy held by TitrateLab

Download the saved PDF (sha256 b6a59d751f82…)
Related

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All Tirzepatide results & stats
This certificate is part of TitrateLab's community-trust corpus. See more from RL Bioresearch LLC or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →