
Oupeptide
Tesamorelin
Finnrick tested 7 samples of Tesamorelin from Oupeptide between 10 Aug 2025 and 4 Feb 2026. Test scores average below 4 or some scores below 3, and at least 6 tests, warrant a confident Finnrick Rating of E (Bad).
Finnrick Rating™
Oupeptide
Tesamorelin
Tested 7 Samples
Last test 4 Feb 2026
Take Action
Researcher
Request Full Data Access to the Finnrick database of peptide tests.
Free peptide testing
Mail in a sample (US only) to get confidence for the specific vials you have, and contribute to identifying unsafe supply chains, so other people can avoid risky and costly mistakes.
Other Tesamorelin tests from top-rated vendors:
All Tesamorelin tests from Oupeptide
Samples are tested in commercial labs
Tests Count
7
Scores
AVGMINMAX
Last
4 Feb 2026
First
10 Aug 2025
| Quantity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 4 Feb 2026 | View | 10mg | 10.6mg | +6.0% | 99.00% | #202512 | White Label / Silver Crimp / White Cap | Lab E | Public | |
| 2 Feb 2026 | View | 20mg | 17mg | -15.0% | 99.07% | GOU-1001-1/2/26 TSm20 | White Label / Silver Crimp / Red Cap | Lab E | Public | |
| 29 Jan 2026 | View | 10mg | 10mg | 97.89% | (no batch ID) | Silver Label / Silver Crimp / White Cap | Lab E | Public | ||
| 19 Jan 2026 | View | 10mg | 8.16mg | -18.4% | 78.31% | (no batch ID) | White Label / Silver Crimp / Black Cap | Lab E | Public | |
| 11 Dec 2025 | View | 20mg | 19.2mg | -4.0% | 99.95% | (no batch ID) | No Label / Silver Crimp / Violet Cap | Lab E | Public | |
| 16 Aug 2025 | View | 20mg | 18.8mg | -6.0% | 99.44% | (no batch ID) | No Label / Silver Crimp / Red Cap | Lab F | Public | |
| 10 Aug 2025 | View | 2mg | 2.03mg | +1.5% | 99.00% | (no batch ID) | No Label / Silver Crimp / Yellow Cap | Lab A | Public | |