TB-500 is a synthetic peptide fragment corresponding to amino acids 17-23 of Thymosin Beta-4 (Tβ4), a naturally occurring 43-amino acid peptide. The fragment retains a key actin-binding sequence and has been the subject of substantial research literature focused on tissue signaling, cellular migration, and regenerative pathways.
In research models, TB-500 has been studied for its activity on actin polymerization, cellular migration pathways, and angiogenesis-related signaling at the cellular level. Investigations have explored its interactions with endothelial cells, fibroblast activity, and extracellular matrix remodeling in laboratory settings.
TB-500 has also been examined in research contexts focused on tissue repair signaling, inflammation-related pathways, and connective tissue research. Published studies have characterized its receptor activity, pharmacokinetic behavior, and downstream effects on tissue-related markers across multiple research designs.
Why PepTruth
– Research-focused presentation
– 97%+ HPLC purity standard
– Certificate of Analysis available
– Cleaner customer experience
Product Notes
– Product: TB-500 (Thymosin Beta-4 Fragment)
– Strength: 5mg or 10mg per vial (select strength)
– Storage: Store lyophilized vial refrigerated; reconstituted vial refrigerated and used within researcher-determined timeframe
– Category: Regenerative / Vitality
– Intended Positioning: Research Use Only
For Research Use Only. Not for human consumption. Not intended to diagnose, treat, cure, or prevent any disease.





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