PI-LAB-2026-0018

PT-141 — Independent Lab Report

PT-141 10mg · Helix Research Supply

Discrepancy
Purity (HPLC) 97.6% Content 16% below label — consistent with a pattern of PT-141 underdosing across the market.
Laboratory
Cornerstone Analytical
Test type
Purity + Content
Lot
HRS-5488
Purchased
Tested
Published

Findings

Metric Label claim Measured Assessment
Purity (HPLC) ≥ 98% 97.6% Slightly below claim
Content (mass spec) 10.0 mg 8.4 mg -16.0% vs. label

Methodology

RP-HPLC purity; LC-MS identity; quantitative AAA.

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 Cornerstone Analytical. See our full testing methodology.

Testing notes

Third PT-141 underdose we have measured across different companies since 2025.

Original laboratory report: PI-LAB-2026-0018-report.pdf (document delivery arrives with the production storage backend)

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