LL-37 — dosage, half-life & reference guide

Healing & recovery peptide · also known as Cathelicidin, hCAP-18, CAP-18

Your body's own antimicrobial weapon — a peptide that directly kills bacteria, fungi, and some viruses. LL-37 also modulates immune responses and promotes wound healing. Used in protocols targeting persistent infections and biofilm-related conditions.

Commonly-researched dose ranges

LL-37 is commonly researched at 100–300 mcg, daily or eod, by SubQ injection. These are reference ranges from the literature and community use, not a prescription.

Half-life

Estimated half-life: ~1–2 hours. See how it accumulates in the half-life calculator.

Safety & interactions

Commonly reported effects: injection site pain, redness, mild systemic inflammation. Discuss with your clinician.

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