LL-37

Experimental

Also known as: Cathelicidin, CAP-18

Immune SystemSubcutaneous

A human cathelicidin antimicrobial peptide with broad-spectrum activity against bacteria, viruses, and fungi. Also modulates immune response.

Molecular Weight4493.3 Da
Half-Life (t½)~4-6 hours
SequenceLLGDFFRKSKEKIGKEFKRIVQRIKDFLRNLVPRTES

Mechanism of Action

Disrupts microbial membranes, neutralizes bacterial endotoxins (LPS), promotes wound healing, modulates TLR signaling, and recruits immune cells.

Dosing Protocol

50-100 mcg subcutaneous daily. Often cycled 4-6 weeks.

Open peptide calculator

Reconstitution

5mg vial + 2mL BAC water = 2500 mcg/mL.

Storage

Lyophilized: -20°C. Reconstituted: 2-8°C.

Side Effects

  • Injection site redness
  • Mild inflammatory response

Key Research Findings

  • Broad-spectrum antimicrobial activity demonstrated in vitro
  • Anti-biofilm properties against MRSA and Pseudomonas
  • Immune modulation in chronic infection models

Latest Verified Lab Report

No lab reports available for LL-37 yet.

Community-funded testing results will appear here.

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Research Use Only

This information is provided for educational and research purposes only. It is not intended as medical advice. Always consult a qualified healthcare professional before using any research compounds.