Recovery
TB-500
Also sold as Thymosin Beta-4 fragment
Synthetic fragment of thymosin beta-4. Often sold blended with BPC-157. Blends are tested and scored separately from single compound vials.
- Vendors tested
- 13
- of 16 listed
- Samples passed
- 67%
- of 15 results
- Median price
- $8.60/mg
- 5 mg vials typical
Who leads TB-500
Ranked by pass score: the recency weighted share of each vendor’s TB-500 samples that met 99.5% purity, confirmed identity, and fill within 25% of the label.
- 1 Atomik Labz 2 of 2 passed, latest Oct 10, 2026 88.4
- 2 Solution Peptides 2 of 2 passed, latest Aug 21, 2026 87.2
- 3 Penguin Peptides 1 of 1 passed, latest Aug 6, 2026 83.2
- 4 Limitless Biotech 1 of 1 passed, latest Jul 15, 2026 82.7
- 5 Crush Research 1 of 1 passed, latest May 30, 2026 81.8
- 6 Ion Peptides 1 of 1 passed, latest May 22, 2026 81.6
- 7 Ascension Peptides 1 of 1 passed, latest Feb 20, 2026 79.8
- 8 Peptide Partners 1 of 1 passed, latest Feb 9, 2026 79.6
- 9 Biotech Peptides 0 of 1 passed, latest Dec 10, 2025 50.1
- 10 Southern Aminos 0 of 1 passed, latest Apr 1, 2026 45.2
- 11 Swiss Chems 0 of 1 passed, latest Apr 24, 2026 44.1
- 12 Particle Peptides 0 of 1 passed, latest May 9, 2026 43.4
- 13 Core Peptides 0 of 1 passed, latest Jul 22, 2026 39.8