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Thymosin Alpha-1

Thymosin Alpha-1

Last updated: March 2026

Sequence

28 amino acids

Origin

Thymus gland

Research Dose

1.6mg twice weekly in clinical protocols

Category

Immune

How It Works

Thymosin Alpha-1 is a peptide naturally produced by the thymus gland. It modulates the immune system by stimulating T-cell maturation and function, enhancing dendritic cell activity, and promoting antibody responses. It has been extensively studied and is approved as a pharmaceutical in over 35 countries.

Key Benefits

01

Enhances immune system function

02

Studied for viral infections

03

May support vaccine response

04

Used clinically in some countries

Research Highlights

  • FDA Orphan Drug designation for hepatitis B

  • Approved pharmaceutical in 35+ countries (Zadaxin)

  • Clinical trials for hepatitis B and C treatment

  • Studied as adjunct therapy for various cancers

  • Research during COVID-19 showed reduced mortality in severe cases

Available Forms

  • Lyophilized powder

Legal Status

Approved pharmaceutical (Zadaxin) in 35+ countries. Research chemical in US. FDA Orphan Drug status.

Price Range

$44.99 — $4200.00

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Research & Education Only — The information on this page is for research and educational purposes only. It does not constitute medical advice. Consult a qualified healthcare professional before making any decisions.