Tesamorelin
We've tested 440 samples of Tesamorelin sourced from 51 vendors between 7 May 2025 and 28 May 2026. Purity typically ranges from 85.61% to 99.95% (5th-95th percentile), and quantity typically diverges by up to +/-100% vs advertised value (95th percentile).
Finnrick Top 3™ - 29 May 2026
Tesamorelin
1
Peptide Partners
2
HkRoids
3
Shanghai ERP peptide Biotechnology
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Vendors
| Tests | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Vendor | Rating | Count | Avg | Min | Max | Oldest | Most Recent | ||
 | 2 | 26 Apr 2026 | 26 Apr 2026 | ||||||
| 2 | 6 May 2026 | 6 May 2026 | ||||||
| 2 | 9 Sep 2025 | 9 Oct 2025 | ||||||
| 3 | 9 Oct 2025 | 26 Jan 2026 | ||||||
| 5 | 20 Feb 2026 | 6 May 2026 | ||||||
 | 11 | 30 Jan 2026 | 20 Feb 2026 | ||||||
| 3 | 4 Nov 2025 | 18 Feb 2026 | ||||||
 | 5 | 14 May 2025 | 4 Feb 2026 | ||||||
| 7 | 9 Jan 2026 | 15 May 2026 | ||||||
| 9 | 19 Jan 2026 | 27 May 2026 | ||||||
| 7 | 25 Nov 2025 | 12 Mar 2026 | ||||||
| 7 | 17 Jul 2025 | 27 May 2026 | ||||||
| 5 | 9 Sep 2025 | 6 May 2026 | ||||||
| 5 | 1 Sep 2025 | 28 Apr 2026 | ||||||
| 5 | 11 Dec 2025 | 27 May 2026 | ||||||
| 5 | 20 Feb 2026 | 6 May 2026 | ||||||
| 7 | 11 Aug 2025 | 5 May 2026 | ||||||
| 8 | 25 Nov 2025 | 12 Mar 2026 | ||||||
| 11 | 24 Jul 2025 | 4 Mar 2026 | ||||||
| 8 | 4 Nov 2025 | 20 Feb 2026 | ||||||
| 9 | 9 Sep 2025 | 25 Mar 2026 | ||||||
 | 7 | 13 Jun 2025 | 15 Jan 2026 | ||||||
| 15 | 9 Sep 2025 | 28 May 2026 | ||||||
| 11 | 17 Nov 2025 | 11 May 2026 | ||||||
| 6 | 4 Nov 2025 | 19 Feb 2026 | ||||||
| 8 | 29 Jan 2026 | 6 May 2026 | ||||||
| 13 | 4 Aug 2025 | 20 May 2026 | ||||||
 | 26 | 29 Jun 2025 | 20 May 2026 | ||||||
 | 12 | 27 Jun 2025 | 2 Mar 2026 | ||||||
| 14 | 9 Sep 2025 | 6 May 2026 | ||||||
| 6 | 23 Oct 2025 | 7 Mar 2026 | ||||||
| 7 | 13 Jun 2025 | 2 Mar 2026 | ||||||
| 32 | 4 Aug 2025 | 5 May 2026 | ||||||
| 17 | 17 Nov 2025 | 28 Apr 2026 | ||||||
| 8 | 21 Oct 2025 | 6 Mar 2026 | ||||||
 | 14 | 10 Aug 2025 | 28 Apr 2026 | ||||||
 | 20 | 29 Jun 2025 | 28 Apr 2026 | ||||||
 | 8 | 11 Aug 2025 | 26 Feb 2026 | ||||||
| 9 | 27 Jun 2025 | 13 May 2026 | ||||||
| 7 | 24 Jul 2025 | 25 Mar 2026 | ||||||
| 6 | 5 Aug 2025 | 20 Feb 2026 | ||||||
 | 4 | 7 May 2025 | 21 May 2025 | ||||||
| 5 | 17 Dec 2025 | 20 Feb 2026 | ||||||
| 4 | 31 Aug 2025 | 7 Mar 2026 | ||||||
 | 3 | 9 Oct 2025 | 28 Apr 2026 | ||||||
| 22 | 9 Jun 2025 | 19 Mar 2026 | ||||||
| 25 | 11 Aug 2025 | 28 Apr 2026 | ||||||
| 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 | Tested | Difference | Purity | Endotoxins | Batch ID | Container | Tested At | Sent By |
| 28 May 2026 | Reta-Peptide | View | 5mg | 4.65mg | -7.0% | 99.90% | low | February 2, 2026 | No Label / Silver Crimp / White Cap | Lab E | Public | |
| 27 May 2026 | Shandong Aishi Biotechnology | View | 10mg | 4.65mg | -53.5% | 99.10% | n/a | 12/2/2025 | No label / Silver crimp / White cap | Lab E | Public | |
| 27 May 2026 | Xingruida XDR | View | 10mg | 10.8mg | +8.0% | 99.80% | n/a | Mar 2, 2026 | No label / Silver crimp / Black cap | Lab E | Public | |
| 27 May 2026 | Dankang BioHealth | View | 10mg | 11.9mg | +19.0% | 99.70% | n/a | 2026/02 | No label / Silver crimp / Clear Pink cap | Lab E | Public | |
| 20 May 2026 | ZLZ Peptide | View | 20mg | 23.8mg | +19.0% | 99.90% | n/a | (no batch ID) | White Label / Silver Crimp / Red Cap | Lab E | Public | |
| 20 May 2026 | Nexaph | View | 10mg | 11.4mg | +14.0% | 99.90% | low | (no batch ID) | No label / Blue crimp / Clear Purple cap | Lab E | Public | |
| 20 May 2026 | Reta-Peptide | View | 10mg | 9.61mg | -3.9% | 99.90% | n/a | March 11, 2026 | No label / Silver crimp / Black cap | Lab E | Public | |
Corrections
- 6 May 2026: Peptide Sciences
- Data for sample hv46bd2 and f7qjrbk were swapped following a clerical error by Finnrick. On 6 May, the error was corrected.
- 6 May 2026: Oupeptide
- Data for sample hv46bd2 and f7qjrbk were swapped following a clerical error by Finnrick. On 6 May, the error was corrected.
- 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.