TB-500

What it is

TB-500 is a synthetic peptide based on the actin-binding region of thymosin beta-4, a 43-amino-acid protein present in most cells. It is studied in cell migration, angiogenesis and wound-repair models.

Where it has been studied

• Actin sequestration and cell migration assays
• Wound-healing and corneal repair models
• Cardiac tissue models

Selected literature

• Effects of BPC-157 and TB-500 on Achilles tendon healing in rats: A histopathological and biomechanical studyBiçer O et al. · Jt Dis Relat Surg, 2026 · PMID 42542926
• Synthesis and characterization of the N-terminal acetylated 17-23 fragment of thymosin beta 4 identified in TB-500, a product suspected to possess doping potentialEsposito S et al. · Drug Test Anal, 2012 · PMID 22962027

PubMed records selected for relevance to the compound. They describe published research, not outcomes or uses.