PI-LAB-2026-0002

BPC-157 — Independent Lab Report

BPC-157 10mg · Research Peptides Co.

Verified
Purity (HPLC) 98.7% Purity above claim; content within 2% of label.
Laboratory
Cornerstone Analytical
Test type
Purity + Content
Lot
RPC-1188
Purchased
Tested
Published

Findings

Metric Label claim Measured Assessment
Purity (HPLC) ≥ 98% 98.7% Meets claim
Content (mass spec) 10.0 mg 9.8 mg Within 5% of label

Methodology

RP-HPLC purity; MALDI-TOF identity.

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

Batch-specific COA published by company matched our independent result within 0.4%.

Original laboratory report: PI-LAB-2026-0002-report.pdf (document delivery arrives with the production storage backend)

More Tests — Research Peptides Co.

Retatrutide
Purity 98.4% Verified
Semaglutide
Purity 98.9% Verified

More Tests — BPC-157

BPC-157 Cascade Research Group
Purity 61.0% Failed
BPC-157 Cascade Research Group
Purity 64.3% Failed
BPC-157 Apex Peptides
Purity 98.9% Verified