Independent testing verdict Pass
This product matched its label.
Identity confirmed and measured purity of 95.1% met the stated ≥95% claim. Content measured 98.5% of label.
- Identity verified
- Yes
- Measured purity
- 95.1%
- Content accuracy
- 98.6%
- Test recency
- Older result
Mass spectrometry confirmed the labelled compound
Label claimed ≥95%
4.93mg measured against 5mg claimed
Published 17 months ago
Specimen PI-LAB-2025-187 Tested by Axiom Mass Spec Services 10 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) | ≥ 95% | 95.1% | Meets claim |
| Identity (MS) | Semaglutide | Confirmed | Matches label |
| Content | 5 mg | 4.93 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 Axiom Mass Spec Services. See our full testing methodology.
- Lot / batch
- B4806-25
- Purchased
- Analysed
- Published
- Laboratory
- Axiom Mass Spec Services
- Test type
- Full panel (purity, identity, content, endotoxin)
Original laboratory report: PI-LAB-2025-187-report.pdf