PeptideAntimicrobial
LL-37 (Cathelicidin)
Typical dose
100–500 mcg
once daily · SubQ (often local)
Half-life
~1 hour
What is LL-37 (Cathelicidin)?
Innate immune antimicrobial peptide with biofilm-disrupting effects.
How LL-37 (Cathelicidin) works
Disrupts microbial membranes and modulates innate immune signaling, including chemotaxis and cytokine tone.
LL-37 (Cathelicidin) dosage
- Typical dose
- Typical: 100–500 mcg/day SubQ (often local), short courses (1–4 weeks).
LL-37 (Cathelicidin) half-life
~1 hour
LL-37 (Cathelicidin) side effects
- Local irritation
- Flu-like symptoms
- Possible inflammatory flare at high dose
Preparation & storage
- Preparation
- Mix a 5 mg vial with 2 mL bac water → 2,500 mcg/mL. A 250 mcg dose = 0.1 mL = 10 units.
- Reconstitution
- Reconstitute a 5 mg vial with 2 mL BAC water → 2.5 mg/mL. A 250 mcg dose = 0.1 mL = 10 units on a U-100 syringe.
Commonly stacked with
Track LL-37 (Cathelicidin) in Protokol.
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