LL-37
A naturally occurring human antimicrobial peptide studied in the lab.

- Type
- Peptide
- Research area
- Recovery research
- Research stage
- Laboratory and animal research
- FDA status
- Not an FDA-approved medicine
About LL-37
A naturally occurring human antimicrobial peptide studied in the lab.
Where the research stands
Most published work on this compound comes from laboratory, animal or early human studies. Results in those settings don't always carry over to people, and long-term safety data are limited.
Read the studies
Educational information only; not medical advice. Talk to a licensed doctor before using any compound.
Common questions
Is LL-37 an FDA-approved medicine?
No. LL-37 is not an FDA-approved medicine. Research stage: Laboratory and animal research.
Does EKO Labs sell LL-37?
No. EKO Labs does not sell LL-37 or any research compound. This library is for education only. EKO Labs offers FDA-approved prescription treatments only after a licensed doctor decides they are right for you.
Can people use LL-37?
This page does not cover personal use. Products labeled "research use only" are not made or approved for people. Ask a licensed doctor before using any compound.
What is the molecular formula of LL-37?
According to PubChem (U.S. National Library of Medicine), LL-37 has the molecular formula C205H340N60O53 and a molar mass of about 4,493.0 g/mol.
The molecule: LL-37
Drag to rotate. Every atom and bond below comes from the public PubChem database of the U.S. National Institutes of Health; nothing is drawn by AI.

- Formula
- C205H340N60O53
- Molar mass
- 4,493.0 g/mol
- Heavy atoms
- 318
- PubChem CID
- 16198951 ↗
Source: PubChem, National Library of Medicine (public domain).
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