TB 500

🔬What Is TB 500

TB-500 (Thymosin Beta-4, Tβ4) is a naturally occurring 43-amino acid peptide present in virtually all human and animal cells. It is the primary actin-sequestering molecule in the body, playing a critical role in cell migration, blood vessel formation, and tissue repair. TB-500 upregulates actin, a cell-building protein essential for wound healing and the formation of new blood vessels (angiogenesis). Research has demonstrated its remarkable ability to promote recovery from injuries, reduce inflammation, and improve flexibility. Its small molecular structure allows it to travel through tissues over long distances, making it effective for both localized and systemic healing applications.

📊Clinical Studies & Results

Thymosin Beta-4 (TB-500) has been studied extensively in both preclinical and early clinical research for its tissue repair properties:

• ▪Promoted cardiac repair and reduced scar size after myocardial infarction by activating cardiac progenitor cells (Smart et al., Nature, 2007; PMID: 17581592)
• ▪Accelerated dermal wound healing through enhanced keratinocyte and endothelial cell migration via Akt/mTOR pathway (Malinda et al., J Invest Dermatol, 1999; PMID: 10417630)
• ▪Anti-inflammatory effects through reduction of NF-κB activation and pro-inflammatory cytokines in corneal injury (Sosne et al., Exp Eye Res, 2004; PMID: 15528068)
• ▪Phase II clinical trial for chronic non-healing venous stasis ulcers showed improved healing rates vs standard care (RegeneRx Biopharmaceuticals, 2006)
• ▪Stimulated hair follicle stem cell migration and promoted new hair growth in murine models (Philp et al., FASEB J, 2004; PMID: 14688200)

TB-500 ability to sequester G-actin and promote cell migration makes it one of the most mechanistically understood tissue repair peptides, with a Nature publication confirming cardiac regeneration potential.

🏆Benefits

• Promotes systemic tissue repair — muscles, tendons, ligaments and skin
• Reduces inflammation by downregulating NF-κB and pro-inflammatory cytokines
• Supports cardiac recovery — preclinical evidence for post-infarction healing
• Enhances cell migration to injury sites for faster wound closure
• Stimulates hair follicle stem cells and new hair growth

⚠️Possible Side Effects

• ▪Temporary redness or discomfort at injection/administration site
• ▪Mild head rush or lightheadedness shortly after administration in rare cases
• ▪Possible temporary fatigue as the body allocates resources to healing processes
• ▪Theoretical concern regarding tumor angiogenesis – exercise caution with subjects having existing malignancies

🎯Ideal For

• →Tissue repair and wound healing research
• →Tendon, ligament, and muscle injury recovery
• →Cardiac repair and cardioprotection studies
• →Anti-inflammatory and autoimmune research
• →Combining with BPC-157 for synergistic healing
• →Hair regrowth and dermatological research