LL-37
Symbol Ll · MW 4493 Da
Human cathelicidin antimicrobial peptide active across bacteria, viruses and fungi.
- Discovered
- 1995
- Half-life
- 1 hour
- Approval
- Not FDA-approved
Reported effects
- Broad antimicrobial
- Wound defense
- Inflammation control
Overview
LL-37 is a naturally occurring antimicrobial peptide that plays an important role in the body's innate immune defense system. It helps protect against bacteria and other microbes while also participating in wound healing, inflammation signaling, and tissue repair. LL-37 is commonly studied for infection defense, wound recovery, biofilm disruption, and immune support. As a recovery peptide, it is especially interesting because it combines antimicrobial activity with repair-related functions. LL-37 is not simply an antibiotic alternative; it is a complex immune peptide involved in both defense and healing pathways.
How it's taken
- Typical Administration
- Topical / Injectable
- Typical Dosage
- No established approved dosage; commonly referenced research range is 100–500 mcg daily
- Typical Frequency
- Once daily during short research cycles
Research sources
Source links included from peer-reviewed literature and trusted medical journal records for this peptide.
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For educational purposes only. Many peptides shown are research compounds and not approved for human use in all jurisdictions.