01 / What it is
TB-500 is a synthetic fragment corresponding to the active region of thymosin beta-4, a naturally occurring protein involved in cell migration and repair. It is a companion compound to BPC-157 in recovery research.
Research use onlySpecification publishedQualified users only
Tissue & repair-signaling research · AGX-03
TB-500
The actin-binding thymosin fragment
$50
10 mg lyophilized vial$5.00/mg · research use only
Research use only · no human or veterinary use, consumption, administration, diagnosis, treatment, prevention, cosmetic use, or food use. Sold to qualified laboratory and analytical users.
02 / Mechanism in the literature
Its activity centers on actin regulation — the protein that builds the cell's cytoskeleton — supporting cell migration and, in research models, angiogenesis and tissue remodeling.
03 / Research context
TB-500 is studied in wound-healing, flexibility, and systemic tissue-repair literature, frequently alongside BPC-157.
Listed format10 mg lyophilized vial
SequenceAc-LKKTETQ · Tβ4 fragment
Molecular formulaNot a discrete formula
Molecular weight≈872 g/mol
Catalogue referenceAGX-03
Listed price$50
Key targetActin / cytoskeleton
04 / Common questions
Is TB-500 the same as thymosin beta-4?
It is a synthetic fragment representing Tβ4's key active sequence, not the full 43-residue protein.
Why pair it with BPC-157?
Research often studies them together because their tissue-signaling mechanisms are considered complementary.