LL-37 Peptide
LL-37 is a naturally occurring antimicrobial peptide (AMP) derived from the human cathelicidin protein hCAP18. It is part of the body’s innate immune system and has been studied extensively in laboratory research involving antimicrobial activity, immune signaling, inflammation, wound biology, and cellular responses.
For research use only. Not for human consumption.
LL-37 – 5mg (Lyophilized Peptide in 3ml Vial) – For Research Use Only
LL-37 is a human antimicrobial peptide derived from the cathelicidin family, extensively studied for its roles in innate immunity, antimicrobial defense, wound healing, and inflammation regulation. LL-37 exhibits broad-spectrum activity against bacteria, viruses, and fungi, and plays a key role in modulating the body’s immune and inflammatory responses.
In research, LL-37 is of particular interest in models exploring skin healing, immune signaling, tissue regeneration, and antimicrobial resistance.
Product Details:
Peptide: LL-37
Purity: >98%
Form: Lyophilized powder
Quantity: 5mg per vial
Vial Size: 3ml sterile glass vial
Storage: Store at -4°F (-20°C). After reconstitution, refrigerate at 36–46°F (2–8°C) and use within 30 days.
Grade: For research purposes only. Not for human consumption, therapeutic, or diagnostic use.
Potential Research Applications:
Antimicrobial and infection control models
Wound healing and skin regeneration studies
Immune system modulation and inflammation research
Studies on epithelial repair and barrier function
For laboratory research use only. This product is not intended to diagnose, treat, cure, or prevent any disease.

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FAQ
What is LL-37?
LL-37 is a naturally occurring antimicrobial peptide derived from the human cathelicidin precursor hCAP18.
What is LL-37 studied for?
Research has investigated LL-37 in areas including antimicrobial activity, innate immunity, inflammatory signaling, wound biology, and cellular responses.
Is LL-37 an antimicrobial peptide?
Yes. LL-37 is classified as an antimicrobial peptide and has demonstrated antimicrobial activity in laboratory research.
Is LL-37 FDA approved?
No. LL-37 should not be presented as an FDA-approved medication or treatment.
Does LL-37 treat infections?
Although LL-37 has demonstrated antimicrobial activity in laboratory studies, this does not establish it as an approved treatment for infections in humans.
Is LL-37 safe?
Human safety and clinical effectiveness depend on the specific formulation and route of administration. Research-grade LL-37 should not be assumed to be safe for human use.
How can I verify LL-37 quality?
Use a batch-specific COA to verify peptide identity, purity, molecular characteristics, quantity, and analytical testing.






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