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peptide

LL-37

moderateResearch Use OnlyInjection

Your body's natural antibiotic peptide. Fights bacteria, viruses, and fungi, breaks up biofilms, and supports wound healing while modulating immune response.


Key facts
Classification
LL-37 is the only human cathelicidin-derived antimicrobial peptide.
Primary benefits
Immune Support (8/10) · Inflammation (7/10) · Injury Healing (5/10)
Administration
Injection
Doses studied
50-100 mcg subq daily, injected near the infection site. Cycle for 2-4 weeks.
Evidence strength
Moderate — 20 peer-reviewed studies
Stacks well with
Thymosin Alpha-1, BPC-157, KPV
Legal status
Research Use Only · not prescribable in US
Quick stats
Type
Peptide
Administration
Injection
Studies referenced
20
Stacks with
3 peptides
Regulatory
Research Use Only
Scientific overview

LL-37 is the only human cathelicidin-derived antimicrobial peptide. This 37-residue amphipathic α-helical peptide exhibits broad-spectrum antimicrobial activity through membrane disruption. Also promotes chemotaxis, angiogenesis, TLR modulation, wound healing, and biofilm disruption.

Goal coverage · LL-37
🛡️ Immune Support8/10
🧊 Inflammation7/10
🩹 Injury Healing5/10
🫃 Gut Health4/10
FIG.1  Modeled goal coverage from reviewed studies. Score out of 10.
Medical oversight strongly recommendedNot safe during pregnancy· 3 contraindications
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