Independent testing verdict Pass
This product matched its label.
Identity confirmed and measured purity of 97.6% met the stated ≥98% claim. Content measured 99.5% of label.
- Identity verified
- Yes
- Measured purity
- 97.6%
- Content accuracy
- 100%
- Test recency
- Older result
Mass spectrometry confirmed the labelled compound
Label claimed ≥98%
1mg measured against 1mg claimed
Published 17 months ago
Specimen PI-LAB-2025-017 Tested by Vantage Analytical Labs 16 samples tested from this company Purity & Testing score 98/100
Full laboratory evidence Findings table, methodology, chain of custody and the original report
Findings
| Metric | Label claim | Measured | Assessment |
|---|---|---|---|
| Purity (HPLC) | ≥ 98% | 97.6% | Within analytical tolerance |
| Identity (MS) | Larazotide | Confirmed | Matches label |
| Content | 1 mg | 1 mg | Within 5% of label |
Methodology & chain of custody
RP-HPLC purity with electrospray ionisation mass confirmation.
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.
- Lot / batch
- R9072-25
- Purchased
- Analysed
- Published
- Laboratory
- Vantage Analytical Labs
- Test type
- Purity & identity
Original laboratory report: PI-LAB-2025-017-report.pdf