Thymosin Alpha-1 (TA1)
Thymic peptide immune modulator used in some regions for specific immune deficiencies and HBV.
Overview
Distinct from TB-500 despite shared “thymosin” naming.
What it is
28-amino-acid thymic peptide (thymalfasin).
Mechanism (high level)
T-cell maturation and innate immune signaling themes in clinical and trial literature.
Quick facts
- Dosage
- Per label where approved (SubQ)
- Route
- Subcutaneous
- Cycle
- Indication-specific courses
- Storage
- Refrigerate per label
Research indications
- Chronic hepatitis B (region-specific)
- immune modulation trials
Research protocols (education)
Education-first logging template
Use PepTok to track adherence and notes; any protocol must be directed by a qualified clinician.
Interactions
Often avoided with
- Transplant immunosuppression without transplant team approval
Often combined with
- Vaccination timing per clinician
Peptides discussed online are not substitutes for diagnosis or prescriptions.
Side effects & safety
- Injection-site reactions; rare hypersensitivity — seek emergency care if anaphylaxis.
Regulatory notes
- Approved in some countries; FDA status differs by product and indication.
FAQ
Is this a prescription?
PepTok does not provide prescriptions; it is for logging and education.
Related in catalog
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Educational content only. This material is not medical advice. Verify legality, sourcing, and dosing with a qualified professional.