SRY Labs
TB-500
Finnrick tested 7 samples of TB-500 from SRY Labs between 16 May 2025 and 9 Oct 2025. 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™
SRY Labs
TB-500
Tested 7 Samples
Last test 9 Oct 2025
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 TB-500 tests from top-rated vendors:
All TB-500 tests from SRY Labs
Samples are tested in commercial labs
Tests Count
7
Scores
AVGMINMAX
Last
9 Oct 2025
First
16 May 2025
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Batch | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 9 Oct 2025 | View | 10mg | (no batch claim) | 11.400mg | +14.0% | 99.51% | (no batch ID) | No Label / Silver Crimp / Green Cap | Lab E | Public | |
| 9 Oct 2025 | View | 5mg | (no batch claim) | 4.520mg | -9.6% | 96.25% | (no batch ID) | No Label / Silver Crimp / Green Cap | Lab E | Public | |
| 9 Oct 2025 | View | 10mg | (no batch claim) | 8.600mg | -14.0% | 95.37% | (no batch ID) | No Label / Silver Crimp / Black Cap | Lab E | Public | |
| 14 Aug 2025 | View | 10mg | 10.4mg | 8.900mg | -14.3% | 99.15% | Black Cap | No Label / Silver Crimp / Black Cap | Lab F | Public | |
| 18 Jul 2025 | View | 10mg | (no batch claim) | 8.170mg | -18.3% | 98.98% | (no batch ID) | No Label / Silver Crimp / Clear Pink Cap | Lab F | Public | |
| 16 Jul 2025 | View | 10mg | (no batch claim) | 10.700mg | +7.0% | 99.69% | (no batch ID) | No Label / Silver Crimp / Black Cap | Lab E | Public | |
| 16 May 2025 | View | 10mg | (no batch claim) | 10.820mg | +8.2% | 99.71% | (no batch ID) | No Label / Silver Crimp / Green Cap | Lab A | Public | |