TitrateLab · Certificate of Analysis
Tested vendor:Stemcode All NMN results & stats

NMN 99.7% Purity — StemcodeCertificate of Analysis · Independent third-party lab result

Tested purity 99.7% High purity · 99.672%
Dose vs label -0.6% Essentially at label
Evidence Source archived
Test date
2026-03-23
Testing lab
Freedom Diagnostics
Batch / lot
—
Quantity
298.11 mg
label 300mg · tested 298.11 mg
Endotoxins
—
Assay method
HPLC + MS
Label dose
300mg
Context

How this result compares

We have catalogued 3 NMN certificates; across the 1 with a purity result the median tested purity is 99.67%.

Tested 2026-03-23 by Freedom Diagnostics via HPLC + MS.

Stemcode has 11 certificates in our corpus, including 1 for NMN at a median tested purity of 99.67%.

Manufacturer
Stemcode
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
300mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:44ea4f9c80291d1e… — immutable copy held by TitrateLab

Download the saved PDF (sha256 44ea4f9c8029…)

Download saved source

Related

Other NMN certificates

Wholesale NMN
— 2026-05-23
Freedom Diagnostics Simple Peptide NMN
— 2026-05-23
Freedom Diagnostics
All NMN results & stats
This certificate is part of TitrateLab's community-trust corpus. See more from Stemcode or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →