PeptideAA Water
0.9% Benzyl Alcohol Preserved Water. Sterile. 10ml vial.

Active fragment of Thymosin Beta-4 (Tβ4). Lyophilized.
In Stock
TB-500 is a synthetic peptide corresponding to the active actin-binding fragment of Thymosin Beta-4 (Tβ4), a 43-amino-acid endogenous polypeptide.
It is studied in preclinical research literature on actin sequestration, cellular migration, and connective-tissue remodelling pathways.
Lyophilized under inert atmosphere. Reconstitute with sterile bacteriostatic water; store reconstituted samples refrigerated. For laboratory and research use only. Not for human or veterinary use.
Every batch of TB-500 (TB4) is independently tested by a third-party laboratory. Certificates of Analysis include HPLC purity testing, mass spectrometry confirmation, and sterility verification.
Contact us at info@spartalabs.net to request the COA for this product.
Orders are processed within 1–2 business days. Standard shipping typically takes 3–5 business days within the continental United States.
All products are shipped in temperature-controlled, discreet packaging to ensure product integrity.
TB-500 is a synthetic peptide corresponding to the active actin-binding fragment of Thymosin Beta-4 (Tβ4), a 43-amino-acid endogenous polypeptide.
It is studied in preclinical research literature on actin sequestration, cellular migration, and connective-tissue remodelling pathways.
Lyophilized under inert atmosphere. Reconstitute with sterile bacteriostatic water; store reconstituted samples refrigerated. For laboratory and research use only. Not for human or veterinary use.
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How SpartaLabs sources, tests, and verifies TB-500 (Ac-LKKTETQ) for research applications. Educational reference.
A bibliographic review of peer-reviewed studies on TB-500 (Ac-LKKTETQ) and parent peptide thymosin beta-4, covering actin biology, corneal wound models, cardiac research, and the active frontiers in clinical investigation. Educational reference.
A research-library overview of TB-500 (Ac-LKKTETQ), the synthetic actin-binding peptide derived from the central active region of thymosin beta-4, covering chemistry, classification, and regulatory context. Educational reference.
A review of the reported molecular mechanisms of TB-500 (Ac-LKKTETQ) and full-length thymosin beta-4, including actin sequestration, the WH2 module, cell migration, and downstream signaling pathways described in peer-reviewed literature. Educational reference.
A timeline of the discovery of thymosin beta-4, the characterization of its LKKTETQ active fragment, the emergence of the synthetic TB-500 research compound, and its regulatory and anti-doping milestones. Educational reference.