LL-37 — UK Research Hub

Reviewed August 2026 · Category: Restoration · Peptify UK (PEPTIFY LIMITED #17021295)

A human cathelicidin antimicrobial peptide researched for broad-spectrum antimicrobial, immunomodulatory, and wound-healing properties.

LL-37: frequently asked questions

What is LL-37?

LL-37 is the only cathelicidin-derived antimicrobial peptide found in humans. It is studied in the antimicrobial, immune-modulation, and epithelial-barrier research literature.

What is LL-37 researched for?

Published preclinical research has examined LL-37 in antimicrobial-pathway, immune-signalling, and epithelial-barrier studies. It is one of the most-studied endogenous host-defence peptides in the in-vitro literature.

What purity does Peptify LL-37 meet?

Peptify LL-37 is 99%+ HPLC-verified with a batch-specific Janoshik Analytical Certificate of Analysis downloadable from the product page.

LL-37 research pages

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For research use only. Not for human consumption. Every batch is independently tested by Janoshik Analytical with a downloadable per-batch Certificate of Analysis.