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TB-500

Also: Thymosin Beta-4 fragment · TB4

Soft-tissue healing peptide — frequently stacked with BPC-157.

Evidence
emerging
Legal status
research only
Half-life
~2-3 hours
Routes
subq · im
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What it is

TB-500 (a fragment of the larger Thymosin Beta-4 molecule) is used for soft-tissue and connective-tissue recovery. It distributes systemically and is often combined with BPC-157 to target both local and systemic healing pathways.

Mechanism

Synthetic fragment of Thymosin Beta-4. Upregulates actin, supports cell migration and new blood-vessel formation.

Outcomes it's matched to
Safety

Limited human safety data; well tolerated anecdotally.

  • Active malignancy (theoretical)
Legal context

Not approved for human use. Research-use only.

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