PI-LAB-2026-0005

Tirzepatide — Independent Lab Report

Tirzepatide 10mg · NextGen Peptides

Discrepancy
Purity (HPLC) 98.2% Purity acceptable, but measured content fell 11% below label claim.
Laboratory
Vantage Analytical Labs
Test type
Purity + Content
Lot
NG-7702-T
Purchased
Tested
Published

Findings

Metric Label claim Measured Assessment
Purity (HPLC) ≥ 98% 98.2% Meets claim
Content (mass spec) 10.0 mg 8.9 mg -11.0% 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 Vantage Analytical Labs. See our full testing methodology.

Testing notes

Company attributes shortfall to fill variance. Product line flagged for retest in next cycle.

Original laboratory report: PI-LAB-2026-0005-report.pdf (document delivery arrives with the production storage backend)

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