Immune
Thymosin Alpha-1
Thymosin Alpha-1
Last updated: March 2026
Sequence
28 amino acids
Origin
Thymus gland
Available From
8 suppliers
Forms
1 types
Key Benefits
1
Enhances immune system function2
Studied for viral infections3
May support vaccine response4
Used clinically in some countriesHow 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.
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
Research Dosing
1.6mg twice weekly in clinical protocols
⚠️ For research reference only. Not medical advice.
Legal Status
Approved pharmaceutical (Zadaxin) in 35+ countries. Research chemical in US. FDA Orphan Drug status.
Check legal status by country →Compare Prices
Full comparison →R
Research Chem
lyophilized powder · 10mg · —
55
Fair$44.99
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B
Beyond Peptides
lyophilized powder · · —
80
Good$45.49
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A
Ascension Peptides
lyophilized powder · 10mg · —
60
Fair$55.00
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B
BuyDeus
lyophilized powder · · —
70
Good$60.00
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S
Southern Aminos
lyophilized powder · 10mg · —
55
Fair$65.00
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C
Core Peptides
lyophilized powder · 5mg · —
65
Fair$81.00
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