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Synthetic Peptide

TB-500

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Overview

Most evidence is preclinical. Human clinical data are limited; not an approved therapeutic.

How it works

TB-500 is a synthetic fragment related to Thymosin β4, a natural protein that helps organize the cell's internal scaffolding (the actin cytoskeleton).

Through its connection to actin regulation, the parent protein is involved in cell movement, blood-vessel formation, and dampening inflammation — and in animal models TB-500 has been linked to improved healing of muscle, tendon, and other tissue. Those are the mechanisms behind its use in recovery contexts.

As with BPC-157, the evidence base is largely preclinical. Some early human work exists on the parent protein, but TB-500 itself lacks adequate controlled human trials and is not an approved therapeutic.

Mechanism · Detailed Analysis
Molecular targetA synthetic fragment of Thymosin β4, an actin-sequestering protein.
Proposed downstream effectsRegulation of actin polymerisation linked to cell migration, angiogenesis, and reduced inflammation in repair models.
Evidence & caveatsMechanistic claims come from preclinical work; TB-500 itself lacks adequate controlled human data.
Published EvidenceLoading cited studies from PubMed…
Human Data ···

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Animal ···

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In Vitro ···

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Educational aggregation of public literature. Not medical advice and not a recommendation to use any compound. Many compounds here are not approved for human use. Consult a licensed clinician.