LL-37

Antimicrobial

Also known as: Cathelicidin, CAP18

The only human cathelicidin antimicrobial peptide, providing broad-spectrum antimicrobial activity and immunomodulatory effects.

Dose in studies
50-100 mcg per day
Frequency
Daily during infection/healing
Cycle length
Until infection resolved, typically 1-2 weeks
Half-life
15-30 minutes
Research level
2/5 – Limited research

LL-37 dosage chart

Frequently asked questions about LL-37

What is LL-37?

The only human cathelicidin antimicrobial peptide, providing broad-spectrum antimicrobial activity and immunomodulatory effects.

What is the half-life of LL-37?

The half-life of LL-37 is 15-30 minutes.

What dosage of LL-37 has been studied?

Described in research: 50-100 mcg per day, frequency: Daily during infection/healing. This is not a medical recommendation.

How long is a LL-37 cycle?

Typical cycle length in studies: Until infection resolved, typically 1-2 weeks.

What are the side effects of LL-37?

Injection site reactions: Redness, swelling, and soreness at injection site. The most common side effect. May be more pronounced than with other peptides due to LL-37's immune-activating properties. · Local inflammation: Mild inflammatory response at application site. This is part of the mechanism of action and indicates immune activation. · Mild fever: Low-grade temperature elevation as immune…

How well researched is LL-37?

Limited research (2/5). Few, small or uncontrolled human data; mostly animal studies.

Comparisons