TB-500
TB-500 is a synthetic fragment of the naturally-occurring protein Thymosin Beta-4. Research has focused on its potential role in cell migration, vascular development, and tissue repair — particularly in muscle and cardiac tissue recovery.
Also known as: Thymosin Beta-4 Fragment, TB4 Fragment
Technical information
Molecular weight
4963.5 g/mol
Half-life
~2 days
Sequence
Ac-SDKPDMAEIEKFDKSKLKKTETQEKNPLPSKETIEQEKQAGES
Common research doses
2-5 mg/week (research protocols)
Research areas
For research purposes only. PepAssure provides vendor information as a verification service and does not endorse or recommend any specific use. Consult qualified research protocols and institutional review boards.
Best Verified Vendors for TB-500
Ranked by PVS score — independent verification, no paid placements.
USA · 99.4% reported purity · 62+ COAs
Canada · 99.4% reported purity · 58+ COAs
Canada · 99.4% reported purity · 130+ COAs
Canada · 99.3% reported purity · 58+ COAs
Canada · 99.3% reported purity · 114+ COAs
EU · 99.3% reported purity · 131+ COAs
UK · 99.3% reported purity · 148+ COAs
EU · 99.2% reported purity · 99+ COAs
USA · 99.2% reported purity · 134+ COAs
International · 99.2% reported purity · 61+ COAs
USA · 99.2% reported purity · 97+ COAs
USA · 99.2% reported purity · 97+ COAs
USA · 99.2% reported purity · 135+ COAs
USA · 99.2% reported purity · 73+ COAs
UK · 99.1% reported purity · 116+ COAs
USA · 99.1% reported purity · 86+ COAs
EU · 99.1% reported purity · 67+ COAs
USA · 99.1% reported purity · 137+ COAs
International · 99.0% reported purity · 53+ COAs
UK · 99.0% reported purity · 140+ COAs
Canada · 99.0% reported purity · 42+ COAs