Thymosin Alpha-1 (Ta1)
FDA-designated immunomodulator (Zadaxin) approved in 35+ countries for hepatitis B, hepatitis C, and cancer immunotherapy. Activates T-cells and dendritic
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Total Price
$55
For research & laboratory use only. Not for human consumption.
Half-Life
~2 hours
Administration Route
Subcutaneous injection
Thymic Immunomodulator
Enhances T-cell maturation and NK cell cytotoxicity
Anti-viral Potency
Active against HBV, HCV, and studied in COVID-19 contexts
TLR9 Activation
Toll-like receptor 9 agonism drives innate immune priming
Effect Profile
Immune Activation
Anti-Viral Defence
Inflammation Control
Immune Ageing
Effect Timeline
T-cell activity increases; NK cell cytotoxicity elevated
Immune surveillance improved; viral load reduction in models
Sustained immune enhancement; TLR signalling upregulated
Full immunomodulatory benefit; immune ageing markers reduced
Start — Week 2
T-cell activity increases; NK cell cytotoxicity elevated
Week 4
Immune surveillance improved; viral load reduction in models
Week 8
Sustained immune enhancement; TLR signalling upregulated
Week 12
Full immunomodulatory benefit; immune ageing markers reduced
Mechanism of Action
Scientific Research
Expert Opin Biol Ther (2007)
Nat Med (2007)
Intensive Care Med (2013)
Product FAQs
Stacks Well With
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Glutathione
Endogenous tripeptide (Glu-Cys-Gly) and principal intracellular antioxidant. Injectable formulations achieve plasma levels not possible orally. Studied for
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Short thymus-derived peptide bioregulator that restores T-cell function and immune competence in aging models. Used in Russian longevity research alongside
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