LL-37 vs. Thymosin Alpha-1

Head-to-head comparison based on the profiles in the PepCycle library.

AttributeLL-37Thymosin Alpha-1
ClassAntimicrobialImmune Modulation
DescriptionThe only human cathelicidin antimicrobial peptide, providing broad-spectrum antimicrobial activity and immunomodulatory effects.A 28-amino acid peptide that enhances immune function by stimulating T-cell maturation and modulating cytokine production.
Dose in studies50-100 mcg per day1.6-3.2 mg 2-3x weekly
FrequencyDaily during infection/healing2-3x weekly
Half-life15-30 minutes2-3 hours
Cycle lengthUntil infection resolved, typically 1-2 weeks4-12 weeks based on indication
Research level2/5 – Limited research4/5 – Well researched

LL-37: full profile · Thymosin Alpha-1: full profile

Values from research literature – not medical advice.