THE NATURAL ANTIBIOTIC
LL-37
Your body's natural antibiotic peptide that fights infections.
Also known as: Cathelicidin Antimicrobial Peptide
Overview
LL-37 is part of your innate immune system - a natural antimicrobial peptide that kills bacteria, viruses, and fungi by punching holes in their membranes. It also modulates immune responses and promotes wound healing. Supplementing may help fight infections and support immune function.
Key Benefits & Mechanisms
Membrane Disruption
Punches holes in bacterial and viral membranes
Immune Modulation
Regulates inflammatory responses through TLR signaling
Wound Healing
Promotes angiogenesis and tissue repair
Dosing Guide
Dosage
Topical or injectable - dosing varies by application
Schedule
daily
Cycle
As needed for infections or wounds
Pro Tip
Topical for wounds; injectable for systemic effects; clinical use under investigation
Safety Profile
Good Safety
Good
Naturally occurring human peptide. Generally well-tolerated.
May stimulate inflammation if overused. Balance is important for immune function.
Possible Side Effects
What to Expect
Hours
Direct antimicrobial action begins
Days
Immune modulation and wound healing initiation
Weeks
Tissue repair and infection resolution
Antimicrobial effects are rapid; wound healing over days to weeks.
Who Is This For
Research References
Related Peptides
Bonomarlot
THE BLOOD BUILDER
Rejuvenate your blood factory for stronger immunity
Crystagen
THE IMMUNE BALANCER
Tripeptide immune booster for T-cell support and inflammation control
Glutathione
THE MASTER ANTIOXIDANT
The master antioxidant for detox and cellular protection
KPV
THE INFLAMMATION ERASER
Anti-inflammatory tripeptide for gut healing and skin
Livagen
THE LIVER REVITALIZER
Activate your immune system and slow cellular aging
Ovagen
THE LIVER GUT RESTORER
Regenerate your liver and heal your gut lining
Ready to Start Your Peptide Journey?
Track your protocols, get guided reconstitution, and access our vetted vendor network — all in one app.
Download The Peptide App