
LL-37
Human cathelicidin peptide with immune-modulating and antimicrobial effects.
Why LL-37.
Broad-spectrum antimicrobial activity
Innate immune system modulation
Anti-biofilm properties
Wound healing and skin regeneration
About LL-37.
LL-37 is the only cathelicidin in humans, playing a critical role in innate immunity. It exhibits antimicrobial, antiviral, anti-biofilm, and wound-healing properties. LL-37 also modulates the adaptive immune response and has shown promise in supporting respiratory and skin health.
How it works.
From intake to your first dose — four straightforward steps.
Complete intake
A brief health questionnaire reviewed by our clinical team. Takes about 5 minutes.
Provider review
A board-certified clinician reviews your history within 48 hours.
Compounded & shipped
Your prescription is compounded in a licensed US pharmacy and shipped to your door.
Ongoing support
Telehealth follow-up to adjust your protocol as needed.
Ready to start LL-37?
Complete a brief health intake and a licensed provider will review your request within 48 hours. No commitments.
All prescriptions are issued at the sole discretion of licensed providers. Protocol Health Rx does not guarantee prescription approval.