Tesamorelin
We've tested 502 samples of Tesamorelin sourced from 61 vendors between 7 May 2025 and 1 Jul 2026. Purity typically ranges from 85.61% to 99.95% (5th-95th percentile), and quantity typically diverges by up to +/-68% vs advertised value (95th percentile).
Finnrick Top 3™ - 12 Jun 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 | ||||||
| 3 | 9 Oct 2025 | 26 Jan 2026 | ||||||
 | 11 | 30 Jan 2026 | 20 Feb 2026 | ||||||
| 3 | 4 Nov 2025 | 18 Feb 2026 | ||||||
 | 5 | 14 May 2025 | 4 Feb 2026 | ||||||
| 8 | 9 Jan 2026 | 6 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 | ||||||
| 5 | 11 Dec 2025 | 27 May 2026 | ||||||
| 5 | 20 Feb 2026 | 6 May 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 | ||||||
| 16 | 9 Sep 2025 | 4 Jun 2026 | ||||||
| 11 | 17 Nov 2025 | 11 May 2026 | ||||||
| 6 | 4 Nov 2025 | 19 Feb 2026 | ||||||
| 9 | 29 Jan 2026 | 4 Jun 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 | ||||||
| 19 | 17 Nov 2025 | 1 Jun 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 | ||||||
| 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 | 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 |
| 8 Jun 2026 | Uther | View | 20mg | 26.6mg | +33.0% | 99.80% | n/a | TE20-0429 | (no data) | Lab G | Public | |
| 6 Jun 2026 | Shanghai ERP peptide Biotechnology | View | 10mg | 11mg | +10.0% | 99.60% | n/a | 990025 | No label / Silver crimp / Violet cap | Lab G | Public | |
| 4 Jun 2026 | Lisa Biopeptide | View | 20mg | 24.8mg | +24.0% | 99.60% | n/a | 051826-20TM | White label / Silver crimp / Blue cap | Lab G | Public | |
| 4 Jun 2026 | Reta-Peptide | View | 10mg | 6.67mg | -33.3% | 99.90% | n/a | April 2nd 2026 | No label / Silver crimp / Black cap | Lab E | Public | |
| 4 Jun 2026 | Shanghai Leader Peptide Biotechnology | View | 10mg | 12.6mg | +26.0% | 99.70% | n/a | H0323 | No label / Silver crimp / White cap | Lab G | Public | |
| 4 Jun 2026 | Allen Biotechnology Co ABC | View | 10mg | 10.5mg | +5.0% | 99.80% | n/a | TSM10042026 | White label / Silver crimp / Black cap | Lab E | Public | |
| 1 Jun 2026 | LiliPeptide | View | 10mg | 15.5mg | +55.0% | 99.90% | below LOQ | March 6 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.