Immune / healingEvidence: preclinicalRUO · not approved
Research Use Only. Not an approved medicine and not for human use. Educational only — no dosing or medical advice.
What it is
LL-37 is the only human cathelicidin antimicrobial peptide, part of innate immunity, studied for antimicrobial, wound-healing and immunomodulatory roles.
Proposed mechanism
It disrupts microbial membranes and modulates immune signaling and angiogenesis; context-dependent (can be pro- or anti-inflammatory).1
State of the evidence
Substantial basic-science literature; human therapeutic use is not established.
Regulatory & status
Not approved; RUO.
Reconstitution (reference only)
Lab-handling reference only — not a preparation or dosing instruction: 2.5 mL (250 units) reconstitution solution per 5 mg vial. See the reconstitution calculator for the arithmetic. This page does not provide dosing guidance.
References
Cathelicidin LL-37 in immunity (review). PMC7287585
This free reference is made possible by our sponsor, PureLux Bio — U.S.-made research-grade peptides.
For educational and research purposes only. This content is not medical advice. Compounds referenced are research use only and not intended to diagnose, treat, cure, or prevent any disease. Free Peptide University does not sell compounds.