Tesamorelin
We've tested 104 samples of Tesamorelin sourced from 17 vendors between 7 May 2025 and 11 Dec 2025. Purity varies from 12.70% to 99.95%, 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 | ||
 | Uther | 3 | 24 Jul 2025 | 4 Aug 2025 | |||||
 | Skye Peptides | 3 | 14 May 2025 | 5 Aug 2025 | |||||
| HK Peptides | 9 | 4 Aug 2025 | 17 Nov 2025 | |||||
 | Peptide-S | 6 | 13 Jun 2025 | 9 Oct 2025 | |||||
 | Nexaph | 16 | 29 Jun 2025 | 25 Nov 2025 | |||||
 | Peptides 4 Research | 4 | 7 May 2025 | 21 May 2025 | |||||
 | SRY Labs | 10 | 27 Jun 2025 | 17 Nov 2025 | |||||
| Shanghai Sigma Audley SSA | 20 | 9 Jun 2025 | 21 Oct 2025 | |||||
 | Qing Li Peptide | 12 | 29 Jun 2025 | 21 Oct 2025 | |||||
| Wuhan Wansheng Biotechnology | 8 | 11 Aug 2025 | 25 Nov 2025 | |||||
| TSC Top Supplements China | 6 | 27 Jun 2025 | 9 Oct 2025 | |||||
 | Peptide Sciences | 1 | 9 Oct 2025 | 9 Oct 2025 | |||||
| HXNet | 1 | 24 Jul 2025 | 24 Jul 2025 | |||||
| Dragon Pharma | 1 | 24 Jul 2025 | 24 Jul 2025 | |||||
| Evolve BioPep | 1 | 27 Jun 2025 | 27 Jun 2025 | |||||
| Regenerative Research | 1 | 29 Jun 2025 | 29 Jun 2025 | |||||
| Zhang TY | 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 |
| 25 Nov 2025 | Wuhan Wansheng Biotechnology | View | 10mg | (no batch claim) | 5.070mg | -49.3% | 47.46% | (no batch ID) | (no data) | Lab E | Public | |
| 25 Nov 2025 | Wuhan Wansheng Biotechnology | View | 10mg | (no batch claim) | 9.080mg | -9.2% | 71.37% | 1Tes10PD | White Label / Silver Crimp / White Cap | Lab E | Public | |
| 25 Nov 2025 | Nexaph | View | 10mg | 12.1mg | 8.340mg | -31.0% | 63.84% | TES1008272025-12 | No Label / Blue Crimp / Clear Cap | Lab E | Public | |
| 17 Nov 2025 | HK Peptides | View | 5mg | (no batch claim) | 5.470mg | +9.4% | 99.95% | (no batch ID) | No Label / Silver Crimp / White Cap | Lab E | Public | |
| 17 Nov 2025 | Nexaph | View | 10mg | 12.1mg | 11.500mg | -4.9% | 99.76% | TES1008272025-12 | No Label / Blue Crimp / Clear Cap | Lab E | Public | |
| 17 Nov 2025 | SRY Labs | View | 5mg | (no batch claim) | 7.610mg | +52.2% | 99.95% | (no batch ID) | No Label / Silver Crimp / Green Cap | Lab E | Public | |
| 17 Nov 2025 | Nexaph | View | 10mg | (no batch claim) | 11.000mg | +10.0% | 98.91% | Tes1010162025-13 | No Label / Black Crimp / Brown 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.