Independent testing verdict Discrepancy
This product was authentic but did not match its label.
Identity confirmed, but measured purity of 93.1% fell short of the stated ≥95% claim.
- Identity verified
- Yes
- Measured purity
- 93.1%
- Content accuracy
- 99.7%
- Test recency
- Current cycle
Mass spectrometry confirmed the labelled compound
Label claimed ≥95%
9.97mg measured against 10mg claimed
Published 3 months ago
Specimen PI-LAB-2026-104 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% | 93.1% | Materially below claim |
| Identity (MS) | Vilon | Confirmed | Matches label |
| Content | 10 mg | 9.97 mg | Within 5% of label |
Methodology & chain of custody
Quantitative amino acid analysis against certified reference standard.
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
- B6183-26
- Purchased
- Analysed
- Published
- Laboratory
- Cornerstone Analytical
- Test type
- Purity & identity
Testing notes
Company was notified before publication and given the standard dispute window.
Original laboratory report: PI-LAB-2026-104-report.pdf