Thymosin Beta-4 (TB4)
ResearchThe parent compound of TB-500. A naturally occurring 43 amino acid peptide involved in cell migration, wound healing, and tissue repair. More expensive and less stable than TB-500.
Healing & RecoveryCardiovascular
Half Life
Unknown
Time to Results
2-6 weeks
Administration
SubQ injection, IV

๐พ Griffin's Research Scorecard
Research Strength
Human Data
Animal Data
Long-Term Data
Beginner Friendly
Storage Difficulty
Injection Frequency2-3x per week
Cost$$$

๐พ Griffin Says...
TB-500 is the synthetic fragment of TB4 that captures the key active portion. The full TB4 molecule has more applications but is harder to obtain and more expensive. The corneal healing data with TB4 is particularly interesting - FDA has allowed Phase 2 trials for dry eye.
Benefits
- Wound healing
- Cell migration promotion
- Heart protection
- Corneal healing research
- Stem cell activation
Best For
- Advanced healing research
- Cardiovascular research
- Ocular research
Body Systems
MusculoskeletalCardiovascularOcular
Mechanisms of Action
- Regulates actin sequestration
- Promotes cell migration and differentiation
- Stimulates angiogenesis
- Anti-inflammatory effects
Side Effects
| Effect | Frequency | Severity |
|---|---|---|
| Fatigue | Uncommon | Mild |
| Injection site irritation | Common | Mild |
Contraindications
History of cancer (theoretical), pregnancy
Peptides discussed here are for research purposes only. Nothing on this page is medical advice. Always consult a qualified professional before making health decisions.
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