Is LL-37 FDA approved?
No. This profile records LL-37 as not FDA approved and for research use only.
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Review the regulatory and source details on this page for the current context.
Healing CATEGORY
LL-37
THE NATURAL ANTIBIOTIC
Cathelicidin Antimicrobial Peptide
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.
LL-37
LL-37
LL-37
LL-37 Evidence Snapshot
How these guides are reviewed
REGULATORY STATUS
Not FDA approved · research use only
DOSING GUIDANCE
Reviewed by our clinical team
LINKED EVIDENCE
1 research sources
CONTENT UPDATED
Aug 28, 2026
Dose and schedule recommendations shown below come from The Peptide App Clinical Team. Research links are provided so readers can inspect the supporting evidence directly. Review the sources.
Quick Answers About LL-37
What dose does The Peptide App Clinical Team recommend for LL-37?
Dose: Topical or injectable.
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Dosing varies by application. Schedule: daily. Cycle: As needed for infections or wounds. This is clinical-team guidance for reference and does not replace individualized instructions from a licensed clinician.
What research supports this LL-37 guide?
This guide links to 1 curated or current research sources.
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Open the research section to inspect the source titles, publication details, study types, and available abstracts directly.
Studied Effects & 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
Those with recurring infections
Anyone recovering from wounds
Those with respiratory issues
Immune-compromised individuals
LL-37 Research
Live research temporarily unavailableThe live research feed did not return papers for this page. The curated references below remain available for crawlable source context.
RESEARCH REFERENCES