TitrateLab · Certificate of Analysis

TB-500 99.4% Purity — Rejuvenate PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 99.4% High purity · 99.43%
Dose vs label +25.8% Over the labeled dose
Evidence URL referenced
Test date
2026-05-19
Testing lab
Freedom Diagnostics
Batch / lot
TB20-001-2605-A
Quantity
25.15 mg
label 20mg · tested 25.15 mg
Endotoxins
Assay method
HPLC + MS
Label dose
20mg
Context

How this result compares

This TB-500 certificate's tested purity of 99.43% ranks higher than 54% of the 1234 TB-500 certificates with a purity result we have catalogued (median 99.38%).

Tested 2026-05-19 by Freedom Diagnostics via HPLC + MS. This test is newer than 82% of our catalogued TB-500 certificates.

Rejuvenate Peptides has 173 certificates in our corpus, including 7 for TB-500 at a median tested purity of 99.39%.

Manufacturer
Rejuvenate Peptides
View vendor profile
Source

freedom_diagnostic

URL referenced

This entry references an upstream lab URL we crawled. We did not save the artifact, so we can't prove the report still loads as it did when we catalogued it.

Method
HPLC + MS
Test type
freedom_composite
Dose
20mg
Catalogued
2026-07-04
Related

Other TB-500 certificates

All TB-500 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 →