Independent testing verdict Pass
This product matched its label.
Identity confirmed and measured purity of 93.8% met the stated ≥95% claim. Content measured 102.5% of label.
- Identity verified
- Yes
- Measured purity
- 93.8%
- Content accuracy
- 102.5%
- Test recency
- Current cycle
Mass spectrometry confirmed the labelled compound
Label claimed ≥95%
10.25mg measured against 10mg claimed
Published 12 months ago
Specimen PI-LAB-2025-105 Tested by Cornerstone Analytical 12 samples tested from this company Purity & Testing score 89/100
Full laboratory evidence Findings table, methodology, chain of custody and the original report
Findings
| Metric | Label claim | Measured | Assessment |
|---|---|---|---|
| Purity (HPLC) | ≥ 95% | 93.8% | Within analytical tolerance |
| Identity (MS) | BPC-157 | Confirmed | Matches label |
| Content | 10 mg | 10.25 mg | Within 5% of label |
Methodology & chain of custody
HPLC-UV purity, ESI-MS identity, and Karl Fischer water content.
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.
- Lot / batch
- D1552-25
- Purchased
- Analysed
- Published
- Laboratory
- Cornerstone Analytical
- Test type
- Full panel (purity, identity, content, endotoxin)
Original laboratory report: PI-LAB-2025-105-report.pdf