TitrateLab · Certificate of Analysis

P21 99.2% Purity — TrueLab PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 99.2% High purity · 99.17%
Dose vs label +27.1% Over the labeled dose
Evidence Source archived
Test date
2026-06-20
Testing lab
Freedom Diagnostics
Batch / lot
P21-6929
Quantity
12.71 mg
label 10mg · tested 12.71 mg
Endotoxins
Assay method
HPLC + MS
Label dose
10mg
Context

How this result compares

We have catalogued 4 P21 certificates; across the 3 with a purity result the median tested purity is 98.75%.

Tested 2026-06-20 by Freedom Diagnostics via HPLC + MS.

TrueLab Peptides has 75 certificates in our corpus, including 1 for P21 at a median tested purity of 99.17%.

Manufacturer
TrueLab 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:cdb5e6d7c646f404… — immutable copy held by TitrateLab

Download the saved PDF (sha256 cdb5e6d7c646…)
Related

Other P21 certificates

All P21 results & stats
This certificate is part of TitrateLab's community-trust corpus. See more from TrueLab Peptides or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →