Independent testing verdict Fail
This product failed independent verification.
Sample failed verification: 58.2% measured purity against a ≥98% claim, with 98.0% of labelled content.
- Identity verified
- No
- Measured purity
- 58.2%
- Content accuracy
- 98%
- Test recency
- Older result
The labelled compound was not confirmed
Label claimed ≥98%
4.9mg measured against 5mg claimed
Published 20 months ago
Specimen PI-LAB-2025-203 Tested by Vantage Analytical Labs 8 samples tested from this company Purity & Testing score 81/100
Full laboratory evidence Findings table, methodology, chain of custody and the original report
Findings
| Metric | Label claim | Measured | Assessment |
|---|---|---|---|
| Purity (HPLC) | ≥ 98% | 58.2% | Fails claim |
| Identity (MS) | Retatrutide | Not confirmed | Identity failure |
| Content | 5 mg | 4.9 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
- A5159-25
- Purchased
- Analysed
- Published
- Laboratory
- Vantage Analytical Labs
- Test type
- Purity & identity
Testing notes
Result confirmed on a second sample from a separate lot at a second laboratory before publication.
Original laboratory report: PI-LAB-2025-203-report.pdf