TitrateLab · Certificate of Analysis

PE-22-28 99.8% Purity — Rejuvenate PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity · 99.82%
Dose vs label +32.7% Over the labeled dose
Evidence Source archived
Test date
2026-05-19
Testing lab
Freedom Diagnostics
Batch / lot
PE22-001-2605-A
Quantity
13.27 mg
label 10mg · tested 13.27 mg
Endotoxins
Assay method
HPLC + MS
Label dose
10mg
Context

How this result compares

This PE-22-28 certificate's tested purity of 99.82% ranks higher than 66% of the 41 PE-22-28 certificates with a purity result we have catalogued (median 99.67%).

Tested 2026-05-19 by Freedom Diagnostics via HPLC + MS. This test is newer than 80% of our catalogued PE-22-28 certificates.

Rejuvenate Peptides has 173 certificates in our corpus, including 2 for PE-22-28 at a median tested purity of 99.86%.

Manufacturer
Rejuvenate 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
10mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:f8265ed90f2e08e4… — immutable copy held by TitrateLab

Download the saved PDF (sha256 f8265ed90f2e…)
Related

Other PE-22-28 certificates

All PE-22-28 results & stats
This certificate is part of TitrateLab's community-trust corpus. See more from Rejuvenate Peptides or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →