TitrateLab · Certificate of Analysis
Tested vendor:The Peptide Source

PT-141/Glycine 99.2% Purity — The Peptide SourceCertificate of Analysis · Independent third-party lab result

Tested purity 99.2% High purity · 99.23%
Dose vs label +15.0% Over the labeled dose
Evidence Source archived Blend
Test date
2025-10-11
Testing lab
Freedom Diagnostics
Batch / lot
—
Quantity
11.50 mg
label 10mg · tested 11.50 mg
Endotoxins
—
Assay method
HPLC + MS
Label dose
10mg
Context

How this result compares

We have catalogued 4 PT-141/Glycine certificates; across the 4 with a purity result the median tested purity is 99.89%.

Tested 2025-10-11 by Freedom Diagnostics via HPLC + MS.

The Peptide Source has 8 certificates in our corpus, including 1 for PT-141/Glycine at a median tested purity of 99.23%.

Manufacturer
The Peptide Source
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

sha256:241bb87c88bfad84… — immutable copy held by TitrateLab

Download the saved PDF (sha256 241bb87c88bf…)

Download saved source

Related

Other PT-141/Glycine certificates

Instant Peptides PT-141/Glycine
99.9% 2025-10-23
Freedom Diagnostics Fit Aminos PT-141/Glycine
99.9% 2025-09-25
Freedom Diagnostics Synthesis Peptides LLC PT-141/Glycine
99.9% 2025-09-12
Freedom Diagnostics
This certificate is part of TitrateLab's community-trust corpus. See more from The Peptide Source or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →