Thymosin Alpha-1
Also known as Tα1 · Thymalfasin · Zadaxin
New
Reconstitution & dosing guide
5 mg · 10 mg vial sizes — research phases, recon steps, and a live unit calculator.
Available sizes & price
Catalog only10mg x 10 vials
Thymosin alpha 1 (TA10) · Not in current stock
$70 / vial
5mg x 10 vials
Thymosin alpha 1 (TA5) · Not in current stock
$45 / vial
Prices per vial · Research use only · Not medical advice.
Immune-modulating peptide used clinically in some countries for hepatitis and as an immune adjuvant.
How to picture it
Thymosin Alpha-1 is a thymic peptide that modulates how innate sensors (TLRs) and T-cells work together — smarter immune surveillance rather than simply turning inflammation to maximum. Picture an immune-education coach: coordinating how the system notices threats and trains T-cell responses, with substantial human research in infection, vaccine response, and immune-oncology adjunct settings.
Research focus & benefits
- Immune modulation and T-cell research
- Infection and vaccine-response literature
- Immune-oncology adjunct studies
- Relatively strong human evidence among research peptides
Benefits describe research interest and pathway rationale — not guaranteed outcomes or medical advice. Research use only.
Overview
Thymosin alpha-1 is a 28-amino-acid peptide that enhances T-cell function and innate immune signaling. It has regulatory approvals in various countries (e.g., as thymalfasin/Zadaxin) for certain viral and immune indications, and is discussed in longevity medicine for immune senescence.
Mechanism
Promotes T-cell differentiation/maturation and modulates inflammatory cytokine patterns; used as an immune response enhancer.
Research uses
- Chronic hepatitis B/C (regional approvals)
- Vaccine adjuvant research
- Sepsis and immune dysfunction studies
- Cancer immunotherapy adjunct research
Research dosing notes
Clinical schedules vary by indication and region. Longevity clinic dosing is off-label where used.
Half-life / kinetics
Short; multi-weekly injection schedules in clinical use
Common research routes
Reported considerations
- Injection-site discomfort
- Flu-like symptoms (uncommon)
- Generally favorable clinical tolerability where studied
Contraindications / cautions
- Hypersensitivity
- Autoimmune disease caution (immunomodulation)
- Pregnancy caution
Common research stacks
- Epithalon (longevity clinic stacks)
- Vitamin D / lifestyle immune basics
Legal / access note
Approved in multiple countries for specific indications; US availability and compounding rules have fluctuated. Not a casual OTC immune booster.