immune

LL-37

FDA: research-only

LL-37 is a cathelicidin antimicrobial peptide involved in innate immunity that destroys bacteria, modulates inflammation, and supports tissue repair. Found naturally in neutrophils and epithelial tissues, it is used for gut healing, skin conditions, and immune rebalancing. Antimicrobial peptide that restores microbiome balance, suppresses fungal overgrowth, and clears bacterial overgrowth. Heals leaky gut and retrains immune tolerance. Destroys bacteria directly while modulating inflammatory response. Found naturally in neutrophils and epithelial tissues. - SIBO treatment and candida/yeast control - Skin conditions (acne, eczema, rosacea) - Post-antibiotic gut restoration - Gut immune healing and leaky gut repair - Food sensitivity reduction -

This content is for educational and research purposes only. VialBase does not provide medical advice. Consult a healthcare professional before using any peptide.

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Half-life —

CAS number —

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28-day resets featuring LL-37

Gut Healing Reset 28 days · 4 weeks
Post-Antibiotic Gut Reset 28 days · 4 weeks

Sourcing

Current prices

Updated today

5mg

Verified Peptides$65.70 best
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Particle Peptides€79.99
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Certified-Pep$89.00
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Core Peptides$89.00
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BioLongevity Labs$94.97
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10mg

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Ascension Peptides$110.00
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Size unspecified

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Limitless Life Nootropics$67.50
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What bloodwork do I need?

Reference ranges are general guidelines. Consult your physician for interpretation.

PRE-CYCLE

CMP
CBC with differential
CRP
ESR

DURING CYCLE

CBC with differential
CRP

POST-CYCLE

Safety & Regulatory Status

FDA STATUS research-only

Regulatory status for LL-37 may change. Verify current status with your jurisdiction before use. This is not legal or medical advice.