Immune & Autoimmune
LL-37 (Cathelicidin)
Also known as: Cathelicidin LL-37
Evidence Level
Moderate — well-characterized mechanism
A human antimicrobial peptide that plays a key role in innate immunity. Provides direct antimicrobial defense and modulates immune cell signaling.
Typical Cost
$150–$350/mo
FDA Status
Research (RFK 2026 reclassification)
Evidence
Moderate — well-characterized mechanism
Category
Immune & Autoimmune
Who Is This Peptide Best For?
Immune supportAntimicrobial defenseInfection management
Related Peptides in Immune & Autoimmune
Thymosin Alpha-1
An immune-modulating peptide that enhances T-cell function, reduces inflammation, and supports viral clearance. Used off-label for immune optimization.
KPV
An anti-inflammatory tripeptide derived from alpha-MSH. Reduces intestinal inflammation and has shown promise for inflammatory bowel conditions and gut health.
Medical Disclaimer: The information on this page is for educational purposes only and does not constitute medical advice. Peptide therapies have not been evaluated by the FDA for most listed indications. Always consult a licensed healthcare provider before starting any peptide protocol.
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