TB-500 – 5mg
Actin Regulating Peptide
TB-500 is a synthetic form of Thymosin Beta 4, a peptide found naturally in nearly all human and animal cells. Supplied for research applications, it is widely studied for its role in cellular migration, actin regulation, and tissue remodelling across recovery and regeneration models.
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Third party lab tested
- Studied in cellular migration and tissue remodelling research
- Explored for actin regulation and cytoskeletal dynamics
- Investigated in recovery and regeneration models
Store lyophilised powder at -20°C for up to 2 years. Once reconstituted, store at 2-8°C and use within 30 days. Protect from light and avoid repeated freeze thaw cycles.
- Lyophilised compound
- Quantity: 5mg
- Purity: ≥99% (HPLC verified)
- Molecular Weight: 4963.4 g/mol
- Sequence: Ac-Ser-Asp-Lys-Pro-Asp-Met-Ala-Glu-Ile-Glu-Lys-Phe-Asp-Lys-Ser-Lys-Leu-Lys-Lys-Thr-Glu-Thr-Gln-Glu-Lys-Asn-Pro-Leu-Pro-Ser-Lys-Glu-Thr-Ile-Glu-Gln-Glu-Lys-Gln-Ala-Gly-Glu-Ser
- CAS: 77591-33-4
- Research use only
Every batch is independently tested. Certificate of Analysis available for download.
View Certificate (PDF)

Research Use Only
These compounds are supplied exclusively for laboratory and analytical research
Laboratory Use
Rigorously tested for purity, potency, and quality.
Not for Human Use
Supplied exclusively for in-vitro and analytical research applications.
No Medical Claims
Not intended to diagnose, treat, cure, or prevent disease.
Qualified Handling
For use by trained professionals in controlled environments.
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| Third Party Tested | |||
| Heavy Metal Tested | Limited | ||
| GMP Certified Production Facility | Partial | ||
| Evidence Based Systems | |||
| 30 day money-back guarantee |
Frequently asked questions
TB-500 is a synthetic version of Thymosin Beta 4, a naturally occurring 43 amino acid peptide present in most cells. It is studied for its role in regulating actin, the protein that drives cell movement and structure, which makes it a key compound in cellular migration, tissue remodelling, and recovery research.
Every batch of TB-500 is verified at ≥99% purity by HPLC analysis. Each lot is independently third party tested, with a Certificate of Analysis available for download on this page.
Store lyophilised product at -20°C for long-term storage or 2-8°C for short-term use. Once reconstituted, aliquot and store at -20°C. Avoid repeated freeze-thaw cycles.
Yes. Every batch ships with a detailed, batch-specific Certificate of Analysis including HPLC chromatograms, mass spectrometry data, and purity verification. We email the CoA before your order arrives.
Orders are dispatched within 1 business day. Delivery typically takes 2-4 business days depending on your location. All orders are shipped with appropriate temperature-controlled packaging.