Buying from the EU? See TB-500 for European research buyers.

TB-500 is a synthetic peptide corresponding to the active region of thymosin β4, a naturally-occurring actin-regulating protein studied in wound-repair, angiogenesis and cell-migration research models. Supplied lyophilised for laboratory research use only.
TB-500 is a synthetic peptide based on the biologically active region of thymosin β4 (Tβ4), one of the most abundant actin-binding proteins in mammalian cells. It is studied for its role in regulating actin, the cytoskeletal protein central to cell structure and movement.
By sequestering actin monomers, Tβ4 is reported to influence cell migration, angiogenesis and tissue remodelling — which is why the peptide is of research interest in wound-repair and connective-tissue models.
| Area | Reported research focus |
|---|---|
| Wound repair | Cell migration and re-epithelialisation pathways. |
| Cardiac & muscle | Tissue-remodelling models after injury. |
| Angiogenesis | Endothelial-cell and vessel-formation studies. |
| Specification | Detail |
|---|---|
| Product | TB-500 |
| Format | Lyophilised vial |
| Fill | 10 mg per vial |
| Molecular formula | C212H350N56O78S |
| Purity | Specified to a 99%+ purity target — per-batch documentation will be published once independent lab testing completes |
| Price | €49.00 |
| Availability | Currently sold out — restock in progress. Join the Insiders list for the restock notice. |
| Supplied for | Laboratory research use only — not for human consumption, diagnostic or therapeutic use |
Every production batch is sent for independent, third-party analysis at Janoshik Analytical. When results return, the full Certificate of Analysis for the exact batch you receive is published here and in our COA library, carrying its SHA-256 checksum and the lot number printed on your vial, so you can confirm the document is genuine and untampered. We publish every certificate, including any that fail.
Occasional, useful email: new-batch and restock notices, the free reconstitution calculator and guides, plus FIRST10 for 10% off your first order. No daily blasts.