TB-500 / Thymosin Beta-4
Also known as Thymosin Beta-4 · TB4
Synthetic fragment of Thymosin Beta-4 studied for cell migration, angiogenesis, and tissue remodeling.
This compound was removed from FDA Category 2 in 2026, but final action on the 503A compounding list is still pending. Allora does not currently dispense it — join the waitlist and we will notify you if it becomes available through our licensed pharmacy partners.
Mechanism of action
How TB-500 / Thymosin Beta-4 works
Regulates actin polymerization and supports the migration of repair cells into injured tissue, influencing the remodeling phase of healing.
Areas of study
What TB-500 / Thymosin Beta-4 is studied for
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Soft tissue and tendon repair
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Wound healing and tissue remodeling
Considerations
Important things your physician will discuss
This is general clinical context — not medical advice. Your evaluation determines whether TB-500 / Thymosin Beta-4 is appropriate for you.
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Removed from FDA Category 2 in 2026; final action on the 503A compounding list is pending — currently offered as educational information and waitlist only
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Investigational use — sport governing bodies may restrict it
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Not appropriate during active malignancy or pregnancy
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We don't dispense it today. Join the waitlist and we'll notify you if it becomes available through our licensed pharmacy partners.