Written by the AllMyPeptides Research Team
What Is LL-37?
LL-37 is a 37-amino-acid peptide and the only known human cathelicidin antimicrobial peptide. It is a component of the innate immune system and is studied for both its antimicrobial and immunomodulatory roles.
Research use only. This material is supplied for in-vitro laboratory research. It is not a medicine and is not for human or veterinary consumption, administration, or therapeutic use.
How LL-37 Is Studied to Work
In research LL-37 is associated with direct antimicrobial activity against bacteria and with modulation of immune and wound-healing processes. Its biology is complex — studies note both protective and, in some contexts, pro-inflammatory roles — which is itself a subject of investigation.
Evidence & Regulatory Status
LL-37 research spans antimicrobial, immunology and dermatology models, largely preclinical. LL-37 is not approved as a medicine by the MHRA and is supplied for laboratory research only.
Research Handling & Quality
As a lyophilised (freeze-dried) peptide it is typically stored frozen and reconstituted with bacteriostatic water for in-vitro work — see our reconstitution guide and storage guide. Identity and purity should be verified against a batch-matched Certificate of Analysis (COA) with HPLC and mass-spectrometry data. View ll-37 product details and COA.
Frequently Asked Questions
Is LL-37 approved in the UK?+
What is LL-37 studied for?+
Is LL-37 naturally occurring?+
Related Guides
Products discussed in this guide are for research and laboratory use only. AllMyPeptides does not condone or support misuse of any research materials. Not for human or animal consumption.