TA-1
Thymosin Alpha-1 (Thymalfasin)
Research Parameters
- Typical Dose Range
- 1.6 mg, 2 times weekly (standard research and clinical)
- Half-Life
- ~2 hours
- Administration Route
- Subcutaneous
Dosing information is for research purposes only and has not been evaluated by the FDA.
If you're the guy who gets sick every time your training load goes up, or you've had chronic low-grade infections that nobody can quite clear, Thymosin Alpha-1 is what the research points toward. Your thymus gland is what trains your immune system's T-cells, and TA-1 is the signaling molecule it uses to do that work. Production drops with age, stress, and overtraining, which is part of why immune function gets worse in all three contexts.
TA-1 is also one of the few peptides in this library with real clinical credentials. It's approved in more than 35 countries under the brand name Zadaxin for hepatitis B, hepatitis C, and as an adjunct in cancer treatment. Not FDA-approved in the US, but the human dataset is real. Research focuses on chronic viral infection, age-related immune decline, and sepsis.
For research purposes only.
Mechanism of Action
Thymosin Alpha-1 is a 28-amino-acid peptide that modulates rather than simply stimulates the immune system. It works to rebalance over- or under-active responses rather than just amplifying them. Primary mechanisms include T-cell maturation support, modulation of Th1/Th2 response, and dendritic cell activation.
Citations
Frequently Asked Questions
- What is Thymosin Alpha-1 used for in research?
Research focuses on immune modulation: specifically rebalancing dysregulated immunity. Primary research areas include chronic viral infection, age-related immune decline, and sepsis. For research purposes only.
- Is Thymosin Alpha-1 an immune booster?
Not strictly. The research classifies it as an immune modulator, meaning it works to rebalance immune function rather than simply amplifying it. For research purposes only.
- How does TA-1 compare to LL-37?
TA-1 works on immune cell signaling and T-cell maturation; LL-37 is a direct antimicrobial peptide that attacks pathogens. Different mechanisms, often studied in parallel rather than as substitutes. For research purposes only.