Peptide Reference
TB-500
Thymosin Beta-4 Fragment
A synthetic version of Thymosin Beta-4, a naturally occurring peptide involved in cell migration, wound healing, and tissue regeneration. The active fragment of the full Thymosin Beta-4 protein.
Status
research
Category
healing
Typical cost
$40-100/vial (10mg)
Mechanism
Promotes actin upregulation and cell migration. Stimulates angiogenesis, reduces inflammation, and enhances tissue regeneration through cellular migration to injury sites. Improves flexibility and reduces scar tissue formation.
Potential benefits
- Accelerated wound healing
- Improved flexibility
- Reduced inflammation
- Enhanced tissue repair
- Heart tissue protection
- Muscle recovery
- Scar reduction
- Accelerated healing
- Tissue regeneration
- Wound repair
Reported side effects
- Injection site reactions
- Headache
- Fatigue (uncommon)
- Nausea (rare)
- Fatigue
- Banned in sports
Common dosing references
subcutaneous
2-5mg · 2x weekly
4-6 weeks
subcutaneous
2mg · 2-3x weekly maintenance
Ongoing
subcutaneous
2-5mg · 2x weekly
4-8 weeks
subcutaneous (loading)
5-10mg · Weekly
2 weeks, then maintenance
Research notes
Thymosin Beta-4 and wound healing
2015
Demonstrated significant acceleration of wound closure and tissue regeneration in animal models
TB-4 in cardiac repair
2017
Showed cardioprotective effects and improved healing after myocardial injury
TB-500 wound healing
1999
Accelerated wound healing and tissue repair in animal models
TB-500 anti-inflammatory
2004
Reduced inflammatory markers and cytokines
Regulatory and sourcing notes
Not FDA-approved. Classified as research chemical. Not available from legitimate compounding pharmacies in the US.
Research peptide only. Verify purity through third-party testing. Often sold in combination with BPC-157 as 'healing stack.'
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