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

Tirzepatide 100.0% Purity — Rejuven8 PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 100.0% High purity · 99.956%
Dose vs label +4.5% Essentially at label
Evidence Source archived
Test date
2025-12-07
Testing lab
Freedom Diagnostics
Batch / lot
Rejuven8 Peptides
Quantity
20.90 mg
label 20mg · tested 20.90 mg
Endotoxins
Assay method
HPLC + MS
Label dose
20mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.96% ranks higher than 95% of the 7304 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2025-12-07 by Freedom Diagnostics via HPLC + MS. This test is newer than 45% of our catalogued Tirzepatide certificates.

Rejuven8 Peptides has 35 certificates in our corpus, including 3 for Tirzepatide at a median tested purity of 99.83%.

Manufacturer
Rejuven8 Peptides
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

sha256:8bb981f35ee720a1… — immutable copy held by TitrateLab

Download the saved PDF (sha256 8bb981f35ee7…)
Related

Other Tirzepatide certificates

All Tirzepatide results & stats
This certificate is part of TitrateLab's community-trust corpus. See more from Rejuven8 Peptides or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →