PI-LAB-2025-0004

TB-500 — Independent Lab Report

TB-500 5mg · Sterling Compound Co.

Verified
Purity (HPLC) 98.5% Strong result — contrasts with this company’s later 2026 findings.
Laboratory
Vantage Analytical Labs
Test type
Purity + Content
Lot
SC-1092
Purchased
Tested
Published

Findings

Metric Label claim Measured Assessment
Purity (HPLC) ≥ 98% 98.5% Meets claim
Content (mass spec) 5.0 mg 5.0 mg Within 5% of label

Methodology

RP-HPLC purity; LC-MS/MS sequence confirmation.

The sample was purchased anonymously through standard retail checkout and shipped to an unaffiliated address, then logged, photographed, and forwarded under chain-of-custody documentation to Vantage Analytical Labs. See our full testing methodology.

Original laboratory report: PI-LAB-2025-0004-report.pdf (document delivery arrives with the production storage backend)

More Tests — Sterling Compound Co.

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Purity 96.8% Discrepancy

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