ZePeptide
TB-500
Finnrick tested 7 samples of TB-500 from ZePeptide between 4 Feb 2026 and 13 Aug 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™
ZePeptide
TB-500
Tested 7 Samples
Last test 13 Aug 2026
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Samples are tested in commercial labs
Tests Count
7
Scores
AVGMINMAX
Last
13 Aug 2026
First
4 Feb 2026
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Variant | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 13 Aug 2026 | View | 10mg | ⚠️ Sample does not contain TB-500 | A | No label / Silver crimp / Clear Pink cap | Lab E | Public | ||||
| 9 Aug 2026 | View | Thymosin Beta-4 | 10mg | 11.7mg | +17.0% | 99.60% | BT10/260402 | No label / Silver crimp / Yellow cap | Lab G | Public | |
| 3 Aug 2026 | View | 5mg | ⚠️ Sample does not contain TB-500 | BT10-02022026 | No label / Silver crimp / Clear cap | Lab E | Public | ||||
| 8 Jun 2026 | View | 10mg | ⚠️ Sample does not contain TB-500 | (no batch ID) | No label / Silver crimp / White cap | Lab G | Public | ||||
| 28 Apr 2026 | View | 5mg | 5.33mg | +6.6% | 99.90% | (no batch ID) | No Label / Silver Crimp / Red Cap | Lab E | Public | ||
| 28 Apr 2026 | View | Thymosin Beta-4 | 5mg | 4.66mg | -6.8% | 99.90% | (no batch ID) | No Label / Silver Crimp / White Cap | Lab E | Public | |
| 4 Feb 2026 | View | Fragment 17-23 | 10mg | 10.1mg | +1.0% | 99.90% | (no batch ID) | No Label / Silver Crimp / Yellow Cap | Lab E | Public | |