Tesamorelin
We've tested 172 samples of Tesamorelin sourced from 27 vendors between 7 May 2025 and 15 Jan 2026. Purity varies from 12.70% to 100.00%, and quantity can diverge by up to +/-100% vs advertised value.
Take Action
Suggest A Vendor
Researcher
Request Full Data Access to the Finnrick database of peptide tests.
Vendors
| Tests | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Vendor | Rating | Count | Avg | Min | Max | Oldest | Most Recent | ||
 | 3 | 24 Jul 2025 | 4 Aug 2025 | ||||||
 | 4 | 14 May 2025 | 9 Jan 2026 | ||||||
| 4 | 17 Jul 2025 | 9 Jan 2026 | ||||||
| 15 | 4 Aug 2025 | 9 Jan 2026 | ||||||
 | 6 | 13 Jun 2025 | 9 Oct 2025 | ||||||
| 6 | 9 Sep 2025 | 11 Dec 2025 | ||||||
 | 18 | 29 Jun 2025 | 9 Jan 2026 | ||||||
| 9 | 9 Sep 2025 | 25 Nov 2025 | ||||||
| 4 | 11 Aug 2025 | 13 Sep 2025 | ||||||
| 4 | 4 Nov 2025 | 15 Jan 2026 | ||||||
| 6 | 9 Sep 2025 | 15 Jan 2026 | ||||||
| 8 | 4 Aug 2025 | 9 Jan 2026 | ||||||
 | 10 | 27 Jun 2025 | 17 Nov 2025 | ||||||
| 20 | 9 Jun 2025 | 21 Oct 2025 | ||||||
| 11 | 11 Aug 2025 | 9 Jan 2026 | ||||||
 | 13 | 29 Jun 2025 | 9 Jan 2026 | ||||||
 | 6 | 11 Aug 2025 | 29 Dec 2025 | ||||||
| 6 | 27 Jun 2025 | 9 Oct 2025 | ||||||
 | 4 | 7 May 2025 | 21 May 2025 | ||||||
| 5 | 13 Jun 2025 | 23 Oct 2025 | ||||||
| 3 | 21 Oct 2025 | 6 Dec 2025 | ||||||
 | 1 | 9 Oct 2025 | 9 Oct 2025 | ||||||
| 1 | 24 Jul 2025 | 24 Jul 2025 | ||||||
| 1 | 24 Jul 2025 | 24 Jul 2025 | ||||||
| 1 | 27 Jun 2025 | 27 Jun 2025 | ||||||
| 1 | 29 Jun 2025 | 29 Jun 2025 | ||||||
| 1 | 29 Jun 2025 | 29 Jun 2025 | ||||||
Most recent Tesamorelin tests
Samples are tested in commercial labs
| Quantity | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Vendor | Certificate | Test Score | Label | Batch | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 15 Jan 2026 | Tianjin Ruiwang New Material Technology Co | View | 10mg | (no batch claim) | 8.69mg | -13.1% | 94.88% | (no batch ID) | White Label / Silver Crimp / White Cap | Lab E | Public | |
| 15 Jan 2026 | Xingtai Jiachuang Technology | View | 10mg | (no batch claim) | 10.3mg | +3.0% | 98.13% | TSM10 | No Label / Silver Crimp / Black Cap | Lab E | Public | |
| 15 Jan 2026 | Tianjin Ruiwang New Material Technology Co | View | 10mg | (no batch claim) | 10mg | 99.95% | (no batch ID) | No Label / Silver Crimp / Black Cap | Lab E | Public | ||
| 9 Jan 2026 | Tianjin Ruiwang New Material Technology Co | View | 10mg | (no batch claim) | 10.6mg | +6.0% | 99.30% | November 5 20225 | No Label / Silver Crimp / Black Cap | Lab E | Public | |
| 9 Jan 2026 | Skye Peptides | View | 10mg | 10.7mg | 9.38mg | -12.1% | 98.65% | TESA25-10-004 | Blue Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 9 Jan 2026 | Wuhan Wansheng Biotechnology | View | 10mg | (no batch claim) | 9.61mg | -3.9% | 98.61% | (no batch ID) | Yellow Label / Silver Crimp / White Cap | Lab E | Public | |
| 9 Jan 2026 | HK Peptides | View | 5mg | (no batch claim) | 4.97mg | -0.6% | 99.95% | (no batch ID) | No Label / Silver Crimp / White Cap | Lab E | Public | |
Corrections
- 17 Nov 2025: Peptide Sciences
- Test results for sample pst3r4y were published from 31 Oct to 17 Nov 2025, but did not belong to Peptide Sciences: the sample was misidentified, and re-attributed to the correct vendor.