TB-500
We've tested 15 samples of TB-500 sourced from 3 vendors between 16 May 2025 and 6 Nov 2025. Purity varies from 3.18% to 99.89%, and quantity can diverge by up to +/-100% vs advertised value.
Take Action
Suggest A Vendor
Researcher
Request Full Data Access to the Finnrick database of peptide tests.
Vendors
| Tests | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Vendor | Rating | Count | Avg | Min | Max | Oldest | Most Recent | ||
 | 7 | 16 May 2025 | 9 Oct 2025 | ||||||
 | 5 | 29 Jun 2025 | 31 Jul 2025 | ||||||
 | 3 | 24 Jul 2025 | 9 Sep 2025 | ||||||
Most recent TB-500 tests
Samples are tested in commercial labs
| Quantity | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Vendor | Certificate | Test Score | Label | Batch | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 9 Oct 2025 | SRY Labs | View | 10mg | (no batch claim) | 8.600mg | -14.0% | 95.37% | (no batch ID) | No Label / Silver Crimp / Black Cap | Lab E | Public | |
| 9 Oct 2025 | SRY Labs | 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 | SRY Labs | View | 10mg | (no batch claim) | 11.400mg | +14.0% | 99.51% | (no batch ID) | No Label / Silver Crimp / Green Cap | Lab E | Public | |
| 9 Sep 2025 | Shanghai Sigma Audley SSA | View | 5mg | (no batch claim) | 5.610mg | +12.2% | 99.89% | 6/29/25 | White Label / Silver Crimp / Purple Cap | Lab D | Public | |
| 14 Aug 2025 | SRY Labs | View | 10mg | 10.4mg | 8.900mg | -14.3% | 99.15% | Black Cap | No Label / Silver Crimp / Black Cap | Lab F | Public | |
| 31 Jul 2025 | Shanghai Sigma Audley SSA | View | 5mg | (no batch claim) | 4.760mg | -4.8% | 90.55% | 02-20-25 | No Label / Copper Crimp / Clear Cap | Lab E | Public | |
| 31 Jul 2025 | Qing Li Peptide | View | 5mg | ⚠️ Sample does not contain TB-500 | (no batch ID) | No Label / Silver Crimp / Clear Cap | Lab E | Public | ||||