Compare peptides
Put two entries side by side — evidence, mechanism, risks, and community claims.
Thymosin Alpha-1
Clinical
Compounded / restricted
Summary
Immune-modulating peptide used clinically in some countries for hepatitis and as an immune adjuvant.
Categories
Immune, Longevity
Mechanism
Promotes T-cell differentiation/maturation and modulates inflammatory cytokine patterns; used as an immune response enhancer.
Half-life
Short; multi-weekly injection schedules in clinical use
Routes
Subcutaneous injection
Legal / access
Approved in multiple countries for specific indications; US availability and compounding rules have fluctuated. Not a casual OTC immune booster.
Key risks
- Injection-site discomfort
- Flu-like symptoms (uncommon)
- Generally favorable clinical tolerability where studied
Common claims
- Immune recharge for aging
- Fewer infections during high-stress periods
- Adjunct during recovery from illness
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