Tesamorelin
We've tested 502 samples of Tesamorelin sourced from 61 vendors between 7 May 2025 and 1 Jul 2026. Purity typically ranges from 88.04% to 99.95% (5th-95th percentile), and quantity typically diverges by up to +/-93% vs advertised value (95th percentile).
Finnrick Top 3™ - 3 Jul 2026
Tesamorelin
1
Lisa Biopeptide
2
Peptide Partners
3
Shanghai ERP peptide Biotechnology
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Vendors
| Tests | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Vendor | Rating | Count | Avg | Min | Max | Oldest | Most Recent | ||
 | 6 | 20 Feb 2026 | 4 Jun 2026 | ||||||
| 2 | 26 Apr 2026 | 26 Apr 2026 | ||||||
 | 2 | 6 May 2026 | 6 May 2026 | ||||||
| 2 | 9 Sep 2025 | 9 Oct 2025 | ||||||
| 4 | 6 Dec 2025 | 15 Jun 2026 | ||||||
| 3 | 9 Oct 2025 | 26 Jan 2026 | ||||||
| 5 | 6 Nov 2025 | 24 Jun 2026 | ||||||
 | 11 | 30 Jan 2026 | 20 Feb 2026 | ||||||
| 4 | 6 Dec 2025 | 12 Mar 2026 | ||||||
| 3 | 4 Nov 2025 | 18 Feb 2026 | ||||||
| 4 | 11 Feb 2026 | 1 Jun 2026 | ||||||
 | 5 | 14 May 2025 | 4 Feb 2026 | ||||||
| 9 | 9 Jan 2026 | 12 Jun 2026 | ||||||
| 6 | 11 Dec 2025 | 17 Jun 2026 | ||||||
| 9 | 19 Jan 2026 | 27 May 2026 | ||||||
| 8 | 25 Nov 2025 | 1 Jun 2026 | ||||||
| 7 | 17 Jul 2025 | 27 May 2026 | ||||||
| 5 | 9 Sep 2025 | 6 May 2026 | ||||||
| 5 | 1 Sep 2025 | 28 Apr 2026 | ||||||
| 4 | 29 Dec 2025 | 28 Apr 2026 | ||||||
| 5 | 20 Feb 2026 | 6 May 2026 | ||||||
| 4 | 11 Dec 2025 | 8 Jun 2026 | ||||||
| 7 | 11 Aug 2025 | 5 May 2026 | ||||||
| 9 | 25 Nov 2025 | 4 Jun 2026 | ||||||
| 11 | 24 Jul 2025 | 4 Mar 2026 | ||||||
 | 7 | 13 Jun 2025 | 15 Jan 2026 | ||||||
| 8 | 4 Nov 2025 | 20 Feb 2026 | ||||||
| 9 | 9 Sep 2025 | 25 Mar 2026 | ||||||
| 17 | 9 Sep 2025 | 15 Jun 2026 | ||||||
| 4 | 9 Jan 2026 | 23 Apr 2026 | ||||||
| 11 | 17 Nov 2025 | 11 May 2026 | ||||||
| 6 | 4 Nov 2025 | 19 Feb 2026 | ||||||
| 9 | 29 Jan 2026 | 4 Jun 2026 | ||||||
| 15 | 4 Aug 2025 | 24 Jun 2026 | ||||||
| 6 | 28 Apr 2026 | 24 Jun 2026 | ||||||
 | 27 | 29 Jun 2025 | 16 Jun 2026 | ||||||
 | 12 | 27 Jun 2025 | 2 Mar 2026 | ||||||
| 15 | 9 Sep 2025 | 12 Jun 2026 | ||||||
| 6 | 23 Oct 2025 | 7 Mar 2026 | ||||||
| 7 | 13 Jun 2025 | 2 Mar 2026 | ||||||
| 33 | 4 Aug 2025 | 12 Jun 2026 | ||||||
| 20 | 17 Nov 2025 | 24 Jun 2026 | ||||||
| 9 | 21 Oct 2025 | 15 Jun 2026 | ||||||
 | 14 | 10 Aug 2025 | 28 Apr 2026 | ||||||
 | 21 | 29 Jun 2025 | 17 Jun 2026 | ||||||
 | 8 | 11 Aug 2025 | 26 Feb 2026 | ||||||
| 9 | 27 Jun 2025 | 13 May 2026 | ||||||
| 8 | 24 Jul 2025 | 8 Jun 2026 | ||||||
| 6 | 5 Aug 2025 | 20 Feb 2026 | ||||||
 | 4 | 7 May 2025 | 21 May 2025 | ||||||
| 5 | 17 Dec 2025 | 20 Feb 2026 | ||||||
| 4 | 29 Jan 2026 | 12 Jun 2026 | ||||||
| 4 | 31 Aug 2025 | 7 Mar 2026 | ||||||
 | 3 | 9 Oct 2025 | 28 Apr 2026 | ||||||
| 22 | 9 Jun 2025 | 19 Mar 2026 | ||||||
| 26 | 11 Aug 2025 | 24 Jun 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 | Batch ID | Container | Tested At | Sent By |
| 24 Jun 2026 | Wuhan Wansheng Biotechnology | View | 10mg | 10.9mg | +9.0% | 99.90% | TSM-2605-1 | Silver label / Silver crimp / Clear Blue cap | Lab E | Public | |
| 24 Jun 2026 | LiliPeptide | View | 10mg | 10.2mg | +2.0% | 99.60% | 4/2/2026 | No label / Silver crimp / Black cap | Lab E | Public | |
| 24 Jun 2026 | ZLZ Peptide | View | 10mg | 10.7mg | +7.0% | 99.40% | TSM10 | No label / Silver crimp / White cap | Lab E | Public | |
| 24 Jun 2026 | Andy Peps Studio | View | 5mg | 5.28mg | +5.6% | 99.90% | PZAQ | No label / Silver crimp / White cap | Lab E | Public | |
| 24 Jun 2026 | Lumira | View | 10mg | ⚠️ Sample does not contain Tesamorelin | WL-TSM10-P00029 | White label / Silver crimp / Clear cap | Lab E | Public | |||
| 24 Jun 2026 | ZLZ Peptide | View | 10mg | 10.8mg | +8.0% | 98.30% | 3/2/2026 | No label / Silver crimp / White cap | Lab E | Public | |
| 17 Jun 2026 | Qing Li Peptide | View | 5mg | 5.6mg | +12.0% | 99.60% | TS072270 | White label / Silver crimp / White cap | Lab G | 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.