TB-500 Peptide (TB4) 10MG For Sale
What is TB-500 (Thymosin Beta-4)?
TB-4, also known as Thymosin Beta-4 or TB-500, is a naturally occurring peptide present in almost all animal cells. It plays a key role in cell migration, tissue repair, and regeneration by promoting actin polymerization — an essential process for wound healing and recovery. In animal and in-vitro studies, TB-4 has been shown to support muscle, tendon, and cardiac tissue repair, making it a widely researched peptide for its potential regenerative properties.
This is the full sequence(43aa) version of TB500 (TB4) peptide.
For the less common short amino sequence(7aa) version of TB500, please see the other Frag(17-23) TB500 product page.
TB-500 Peptide Information
FORM |
Powder (lyophilized) |
|---|---|
CAS NUMBER |
77591-33-4 |
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 |
OTHER NAMES |
tb4, tb-4, Thymosin Beta 4, tb500, tb-500, tb500 |
WEIGHT |
10mg |
Molecular Weight |
4963.4408 g/mol |
Terms |
Subject to our Terms and Conditions. This material is sold for laboratory research use only. Not for human consumption, animal, or medical use. |
Why isn’t there more information on the TB-500 peptide?
Due to the legal landscape of peptides and research products, providing information that may imply anything beyond laboratory research use is a legal liability. We’re an expert biotechnology company that provides high quality peptides and products for purchase to advance scientific research in this field.


















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