What it is
LL-37 (Cathelicidin) is a naturally occurring antimicrobial peptide that plays a role in the innate immune system. It is available as a single-ingredient peptide supplement for targeted immune support.
Supplement · Peptide
LL-37 (Cathelicidin)
1 mg · vegan · gluten-free · 30 caps
frequent infectionsslow-recoverylow-immunity immune systemlymphatic systemgut
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How it works
LL-37 acts by disrupting microbial cell membranes and modulating immune cell responses. Its effects on immune resilience are dose-dependent and typically observed within 2-6 weeks of consistent use.
Who should take it
Adults looking to address frequent infections, low immunity, slow recovery. Particularly relevant for people who prefer a targeted single ingredient and who have ruled out an underlying condition that needs medical care first.
Avoid / careful
Pregnant or nursing women without clinician oversight. People on prescription medication affecting the same pathway should consult a doctor before combining. Side effects are uncommon at recommended doses but mild GI upset can occur when starting.
When to take it
Morning
Noon
Evening
Night
How to take it
With food
Empty stomach
Before food
FAQs
Frequently asked
How long does it take to see effects from LL-37?
Immune resilience effects are typically measurable within 2-6 weeks of consistent daily dosing.
Can LL-37 be taken with other supplements?
LL-37 can be layered into a broader protocol, but consult a healthcare professional if you are on prescription medications.
What is the primary action of LL-37?
LL-37 is an antimicrobial host-defense peptide that disrupts bacterial membranes and influences immune cell signaling.
Research
6 studies · 2010–2024
Evidence grade
ABCD
C · C · emerging-to-moderate human evidence for immune resilience
Editorial notes
SacredBod's longer take on LL-37 (Cathelicidin) — context the structured blocks above don't capture.
About LL-37 (Cathelicidin)
Antimicrobial host-defence peptide researched for immunity.
As part of the Peptide category, LL-37 (Cathelicidin) is included in the SacredBod catalog to support immune resilience. See the Mechanism and Research sections above for detail.
Added to your stack.