Yimei
TB-500
Finnrick tested 6 samples of TB-500 from Yimei between 23 Oct 2025 and 21 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™
Yimei
TB-500
Tested 6 Samples
Last test 21 Aug 2026
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Samples are tested in commercial labs
Tests Count
6
Scores
AVGMINMAX
Last
21 Aug 2026
First
23 Oct 2025
| Quantity | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Variant | Test Score | Label | Tested | Difference | Purity | Endotoxins | Batch ID | Container | Tested At | Sent By |
| 21 Aug 2026 | View | 5mg | 5.7mg | +14.0% | 99.60% | n/a | (no batch ID) | (no data) | Lab G | Public | ||
| 20 Aug 2026 | View | Endotoxins | 5mg | n/a | n/a | n/a | low | (no batch ID) | (no data) | Lab G | Public | |
| 7 Mar 2026 | View | 5mg | 4.7mg | -6.0% | 99.90% | n/a | (no batch ID) | No Label / Silver Crimp / Red Cap | Lab G | Public | ||
| 4 Mar 2026 | View | Thymosin Beta-4 | 10mg | 13.2mg | +32.0% | 53.44% | n/a | (no batch ID) | No Label / Silver Crimp / Green Cap | Lab E | Public | |
| 6 Dec 2025 | View | 10mg | 10.3mg | +3.0% | 99.90% | n/a | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | ||
| 4 Nov 2025 | View | Thymosin Beta-4 | 10mg | 9.6mg | -4.0% | 95.44% | n/a | BT10 | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 23 Oct 2025 | View | 10mg | 8.36mg | -16.4% | 99.71% | n/a | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | ||