Synthetic thymosin beta-4 peptide
TB-500
Also known as Thymosin beta-4 fragment
Mostly animal researchA synthetic peptide related to thymosin beta-4, a protein involved in cell movement and repair.
Evidence
Mostly animal research
Regulatory status
Not FDA-approved.
Class
Synthetic thymosin beta-4 peptide
What it is
Thymosin beta-4 is a naturally occurring protein that helps regulate actin, part of the cell’s internal scaffolding. TB-500 refers to synthetic versions or fragments of it.
What the research shows
- Animal and cell studies have explored wound healing, tissue repair, and heart tissue.
- Human research on TB-500 itself is minimal.
- Prohibited in competitive sport by the World Anti-Doping Agency (WADA).
Read the published research on PubMed →
Researched for
TB-500 is not FDA-approved for the uses people commonly discuss. Its safety and effectiveness in people have not been established. Talk to a licensed provider before making any decision.
Educational content, not medical advice. This page does not recommend or dose any substance.