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Thymosin Beta-4 acetate. 5mg lyophilized powder per vial.
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TB-500
What It Is
TB-500 is the active fragment of thymosin beta-4, a protein found in virtually every cell in your body. Its primary job is controlling how cells move — and cell migration is the foundation of wound healing. If BPC-157 builds the roads (blood vessels), TB-500 moves the construction workers (cells) to the job site. It's been used extensively in veterinary medicine for racehorse tendon injuries.
How It Works
TB-500 works by managing actin, the protein that forms your cell's internal skeleton. By sequestering actin monomers, it allows cells to reorganize and move toward injured areas. It also activates survival pathways that prevent damaged cells from dying prematurely. The combination of enhanced cell migration + reduced cell death = faster, more complete tissue repair.
What The Research Shows
Thymosin beta-4 accelerated wound closure in skin injury models — faster healing with better tissue quality.
In equine studies, it improved recovery from tendon and ligament injuries — this is why it became standard in veterinary sports medicine.
Heart attack models showed it reduced scar tissue formation and improved cardiac function — cells migrated to the damaged area and repaired it.
It earned FDA-approved clinical trials for corneal repair (RegeneRx), validating the science behind the compound.
Sources
Thymosin beta4 activates integrin-linked kinase and promotes cardiac cell migration, survival and cardiac repair
Bock-Marquette I et al. — Nature, 2004 · PubMed
Information derived from published preclinical and clinical research. Provided for educational purposes only — not medical advice.
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