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Thymosin Alpha-1

Also known as: Tα1, Zadaxin, Thymalfasin

Immune Modulation
Phase III

Thymosin Alpha-1 is a naturally occurring 28-amino acid peptide that acts as a potent immune modulator. It is the first thymic peptide to receive regulatory approval (in over 30 countries) for treatment of Hepatitis B and as an immune adjuvant. It enhances both innate and adaptive immunity.

Regulatory & Approval Status

Approved Internationally — Not US FDA

Thymosin Alpha-1 is not FDA-approved in the US, though it is approved and used as a pharmaceutical in over 35 other countries for indications such as chronic hepatitis B.

Information compiled from FDA compounding guidance and public regulatory sources. For research and educational purposes only; not medical advice.

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