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Evidence-based · Educational only•
36+ Peptides indexed•
Free research library•
Free newsletter — subscribe below•
★ = FDA-approved medical indication•
Not medical advice — always consult a clinician•
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Thymosin Alpha-1

Also known as: Zadaxin
Research / Investigational

Thymosin alpha-1 is a 28-amino-acid peptide with immunomodulatory properties, approved in several countries but not in the U.S.

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Overview

Thymosin alpha-1 is a 28-amino-acid peptide with immunomodulatory properties, approved in several countries but not in the U.S.

FDA Approval Status

Not approved by the FDA. Investigational or intended for research purposes only.

Mechanism of Action

Enhances T-cell maturation and modulates innate immunity.

Current Research

Hepatitis B/C, sepsis, and oncology adjunct studies.
Research strength: Moderate

Potential Medical Uses

  • Not FDA-approved; approved in some countries for HBV/HCV

Potential Benefits

  • Immune modulation reported

Known Side Effects

  • Injection-site reactions
  • Rare hypersensitivity

Contraindications

  • Solid organ transplant recipients (immunosuppressed)

Drug Interactions

  • Immunosuppressants

Administration Methods

  • Subcutaneous injection

Half-life

~2 hours

Reconstitution

Bacteriostatic or sterile water per protocol.

Storage & Handling

Refrigerate.

References & Sources

Frequently Asked Questions

Information on this page is educational and general in nature. It is not medical advice. Consult a qualified healthcare professional before making any medical decisions.