Uther
TB-500
Finnrick tested 4 samples of TB-500 from Uther between 9 Sep 2025 and 7 Mar 2026. Test scores average over 4, no score below 3, and at least 2 tests warrant a tentative Finnrick Rating of D (Poor).
Finnrick Rating™
Tentative Rating
Uther
TB-500
Tested 4 Samples
Last test 7 Mar 2026
Take Action
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 TB-500 tests from top-rated vendors:
All TB-500 tests from Uther
Samples are tested in commercial labs
Tests Count
4
Scores
AVGMINMAX
Last
7 Mar 2026
First
9 Sep 2025
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Variant | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 7 Mar 2026 | View | Fragment 17-23 | 10mg | 9.7mg | -3.0% | 99.80% | TBF10-0104 | Silver Label / Gold Crimp / Clear Pink Cap | Lab G | Public | |
| 2 Mar 2026 | View | 2mg | 4.81mg | +140.5% | 99.50% | (no batch ID) | No Label / Silver Crimp / White Cap | Lab E | Public | ||
| 10 Feb 2026 | View | Thymosin Beta-4 | 10mg | 11.9mg | +19.0% | 99.80% | TB410-1213 | White Label / Copper Crimp / Clear Green Cap | Lab G | Public | |
| 9 Sep 2025 | View | 10mg | 11.75mg | +17.5% | 99.41% | TB100712 | No Label / Black Crimp / Blue Cap | Lab A | Public | ||