Cathelicidin
Also known as Cathelicidin — this name points to LL-37 in our directory.
About LL-37
The only human cathelicidin—a host-defense peptide with antimicrobial and immune-modulating roles in the gut and skin.
LL-37 kills bacteria and modulates inflammation at mucosal surfaces. Low levels are linked to dysbiosis and psoriasis. Research explores it for IBD and wound healing. Not available as a consumer product; studied in academic and clinical trials.
Where you will see Cathelicidin
Cathelicidin is a prescription drug brand—not a cosmetic INCI name or bulk research powder. The active molecule is LL-37. Dosing, indications, and side effects come from the FDA label and your clinician, not peptide forum stacks.
Other names
Cathelicidin
Human antimicrobial peptide
hCAP18 fragment
Common questions
Is Cathelicidin the same as LL-37?
Yes. Cathelicidin is a brand or nickname that refers to LL-37 in our directory—the same active molecule, different packaging or marketing name.
What is LL-37?
The only human cathelicidin—a host-defense peptide with antimicrobial and immune-modulating roles in the gut and skin. LL-37 kills bacteria and modulates inflammation at mucosal surfaces. Low levels are linked to dysbiosis and psoriasis. Research explores it for IBD and wound healing. Not available as a consumer product; studied in academic and clinical trials.
How do I find Cathelicidin on a label?
No. Cathelicidin is a prescription medicine dispensed through pharmacies with a clinician—not a peptide powder or cosmetic serum you buy by alias alone.