TB-500 Peptide — Thymosin Beta-4 Fragment | Research Grade

TB-500 is a synthetic 17-amino-acid fragment of Thymosin Beta-4 — the actin-binding protein that occurs in nearly every human cell and is studied for its role in cell migration and tissue repair. Research-grade specs Sequence length: 17 amino acids (active fragment of TB4) Source: Synthetic fragment of human TB4 Half-life: ~2 hours systemically Mechanism: G-actin binding, cell migration Studied applications Wound healing — particularly studied in dermal and corneal repair models Cell migration acceleration to injury sites Cardiac tissue research — preclinical recovery models Hair follicle research — emerging area on follicle stem cell migration Quality & trust ≥99% HPLC purity, third-party tested Mass spectrometry identity confirmation LAL endotoxin testing on every batch Batch-specific Certificate of Analysis included USA same-day shipping (orders before 2pm CT M-F) Related research: BPC-157 · Wolverine Stack Research literature Thymosin Beta-4 has been the subject of 1,039 peer-reviewed publications indexed in PubMed. Selected recent literature for research reference: Mendias CL et al. (2026). Safety and Efficacy of Approved and Unapproved Peptide Therapies for Musculoskeletal Injuries and Athletic Performance. Sports Med. PMID: 41966639 Simiczyjew A et al. (2026). Comparative Proteomic Analysis of the Secretome of Control and BRAF/MEK Inhibitor-Resistant Melanoma Cells. J Proteome Res. PMID: 41742019 Keplinger AJ et al. (2026). A revised model of nuclear actin import: Importin 9 competes with cofilin, profilin, and RanGTP for actin binding. J Biol Chem. PMID: 41478570 Ou H et al. (2026). Thymosin β4-derived peptides alleviate neuroinflammation and neurite atrophy in both in vitro models and in vivo 5 × FAD mice: A potential therapy for memory improvement in Alzheimer’s disease. Int Immunopharmacol. PMID: 41443105 Di H et al. (2026). Thymosin beta 4: An emerging therapeutic candidate for kidney diseases. Peptides. PMID: 41570941 References are provided for research reference only. Inclusion of literature does not constitute a recommendation, endorsement, or claim for any specific use of LiveWell Peptides products. Products are sold for laboratory and research use only and are not intended for human consumption, injection, topical application, or any other administration to the human body.