TB-500 (Thymosin Beta-4 Fragment)

TB-500 is a synthetic peptide fragment of Thymosin Beta-4 (TB4), a naturally occurring 43–amino acid protein found in nearly all human and animal cells. TB4 plays a critical role in cell migration, angiogenesis, and tissue repair. TB-500 is designed as a shorter, more stable sequence of TB4 that retains its regenerative and wound-healing properties. It is studied in research for its potential to accelerate healing, reduce inflammation, and support recovery. TB-500 remains experimental and is not FDA-approved for therapeutic use.

How It Is Used in Research Settings

  • Studied for enhancing wound healing and recovery from soft tissue injuries.
  • Explored in cardiovascular research for promoting angiogenesis and repair after ischemic injury.
  • Investigated in ophthalmic studies for corneal healing and eye injury repair.
  • Examined in musculoskeletal research for tendon, ligament, and joint recovery.

Proposed Uses (Research Areas)

  • Wound healing and tissue repair models.
  • Cardiac and vascular research.
  • Musculoskeletal and sports injury studies.
  • Ophthalmology and corneal healing research.

How It Is Dosed in Research Settings

  • Injectable (Subcutaneous or Intramuscular): Research dosing commonly ranges from 2–5 mg, administered 1–2 times weekly.
  • Cycle length: Typically studied in 4–6 week cycles, sometimes followed by maintenance doses every 1–2 weeks depending on research endpoints.
  • Handling: Supplied as lyophilized powder; reconstituted with bacteriostatic water, stored refrigerated, and protected from light.

Important Considerations

  • Regulatory status: TB-500 is not FDA-approved; all applications remain experimental.
  • Evidence base: Preclinical and animal studies show enhanced healing and angiogenesis; controlled human research is very limited.
  • Safety: Reported as generally well tolerated in research, but long-term human safety data is lacking. Potential concerns include undesired angiogenesis or fibrosis in non-target tissues.

Disclaimer

This material is provided for educational purposes only and summarizes published research on TB-500.
It is not medical advice. TB-500 is experimental, not FDA-approved, and should not be viewed as a therapy for medical use.

This peptide is for research use only.