Independent testing verdict Pass
This product matched its label.
Identity confirmed and measured purity of 99% met the stated ≥99% claim. Content measured 100.3% of label.
- Identity verified
- Yes
- Measured purity
- 99.0%
- Content accuracy
- 100.3%
- Test recency
- Older result
Mass spectrometry confirmed the labelled compound
Label claimed ≥99%
10.03mg measured against 10mg claimed
Published 19 months ago
Specimen PI-LAB-2025-034 Tested by Vantage Analytical Labs 12 samples tested from this company Purity & Testing score 99/100
Full laboratory evidence Findings table, methodology, chain of custody and the original report
Findings
| Metric | Label claim | Measured | Assessment |
|---|---|---|---|
| Purity (HPLC) | ≥ 99% | 99% | Meets claim |
| Identity (MS) | Thymalin | Confirmed | Matches label |
| Content | 10 mg | 10.03 mg | Within 5% of label |
Methodology & chain of custody
LC-MS/MS identity confirmation with quantitative amino acid analysis.
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
- A9479-25
- Purchased
- Analysed
- Published
- Laboratory
- Vantage Analytical Labs
- Test type
- Full panel (purity, identity, content, endotoxin)
Original laboratory report: PI-LAB-2025-034-report.pdf