Thymosin Beta-4
Also known as: TB4 · Tβ4 · Full-length thymosin beta-4
The complete 43-amino-acid parent molecule from which TB-500 is derived. The biological master of cellular repair and cytoskeletal regeneration.
Reviewed by Dr. Sarah Mitchell, PharmD, BCPS
Lead Researcher · 12+ years in peptide therapeutics
~2 hours
750 mcg – 2 mg
Subcutaneous injection
Mechanism of Action
Sequesters G-actin to regulate actin polymerization, promoting cell migration, angiogenesis, and tissue repair throughout the body.
Key Research Areas
Frequently Asked Questions
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Research Disclaimer
The information provided about Thymosin Beta-4 is for educational purposes only and is not intended as medical advice. Always consult a qualified healthcare professional before starting any peptide protocol. Products discussed have not been evaluated by the FDA unless explicitly noted.