Peptide Crafters
TB-500
Finnrick tested 4 samples of TB-500 from Peptide Crafters between 29 Dec 2025 and 9 Aug 2026. Test scores average over 6, no score below 5, and at least 2 tests warrant a tentative Finnrick Rating of B (Good).
Finnrick Rating™
Tentative Rating
Peptide Crafters
TB-500
Tested 4 Samples
Last test 9 Aug 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 Peptide Crafters
Samples are tested in commercial labs
Tests Count
4
Scores
AVGMINMAX
Last
9 Aug 2026
First
29 Dec 2025
| Quantity | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Variant | Test Score | Label | Batch | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 9 Aug 2026 | View | 10mg | (no batch claim) | 12.6mg | +26.0% | 99.50% | PC-G3-TB10 | White,Black, Yellow label, Silver crimp, Clear Blue cap | Lab G | Finnrick | ||
| 9 Aug 2026 | View | 10mg | (no batch claim) | 12.3mg | +23.0% | 99.50% | PC-G3-TB10 | White,Black, Yellow label, Silver crimp, Clear Blue cap | Lab G | Finnrick | ||
| 12 Mar 2026 | View | Thymosin Beta-4 | 10mg | 10.3mg | 8.81mg | -14.4% | 99.90% | PC-G3-TB10 | White Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 29 Dec 2025 | View | Thymosin Beta-4 | 10mg | (no batch claim) | 9.92mg | -0.8% | 99.95% | PC-G-BP10 | White Label / Silver Crimp / Red Cap | Lab E | Public | |