PI-LAB-2026-051
Tirzepatide (Compounded), Independent Lab Report
Tirzepatide (Compounded) 20mg · BioRegen Research
Independent testing verdict Pass
This product matched its label.
Identity confirmed and measured purity of 99% met the stated ≥99% claim. Content measured 100.5% of label.
- Identity verified
- Yes
- Measured purity
- 99.0%
- Content accuracy
- 100.5%
- Test recency
- Current cycle
Mass spectrometry confirmed the labelled compound
Label claimed ≥99%
20.09mg measured against 20mg claimed
Published 2 months ago
Specimen PI-LAB-2026-051 Tested by Chelsea Analytical Group 17 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) | Tirzepatide (Compounded) | Confirmed | Matches label |
| Content | 20 mg | 20.09 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 Chelsea Analytical Group. See our full testing methodology.
- Lot / batch
- C1409-26
- Purchased
- Analysed
- Published
- Laboratory
- Chelsea Analytical Group
- Test type
- Purity & identity
Original laboratory report: PI-LAB-2026-051-report.pdf