TB-500 99.1% Purity — Bob ViveirosCertificate of Analysis · Independent third-party lab result

Name: TB-500 COA — Bob Viveiros (99.1% purity)
Creator: Freedom Diagnostics
License: https://titratelab.com/terms

Tested purity 99.1% High purity · 99.07%

Dose vs label -4.2% Essentially at label

Evidence URL referenced

Test date: 2026-04-30
Testing lab: Freedom Diagnostics
Batch / lot: [NAME_REDACTED]
Quantity: 19.16 mg
Endotoxins: —
Assay method: HPLC + MS
Label dose: 20mg

Context

How this result compares

This TB-500 certificate's tested purity of 99.07% ranks higher than 21% of the 1234 TB-500 certificates with a purity result we have catalogued (median 99.38%).

Tested 2026-04-30 by Freedom Diagnostics via HPLC + MS. This test is newer than 76% of our catalogued TB-500 certificates.

Bob Viveiros has 4 certificates in our corpus, including 1 for TB-500 at a median tested purity of 99.07%.

Manufacturer

Bob Viveiros

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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

Other TB-500 certificates

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