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LL-37

peptides · Human antimicrobial peptide

Moderate evidence

LL-37 is the only human cathelicidin, an antimicrobial peptide made by immune cells, skin, and gut lining. It kills a broad spectrum of bacteria, viruses, and fungi directly and disrupts protective biofilms.

⏱️ Timing & dosage for LL-37

Best time to take

Once or twice daily. 2-4 weeks for acute infection; reassess for chronic use.

Suggested dose

100-500 mcg daily, subQ, depending on indication

✅ Benefits of LL-37

  • Broad-spectrum antimicrobial against bacteria, viruses, and fungi
  • Disrupts biofilms -- helpful for chronic, treatment-resistant infections
  • Supports wound healing
  • Modulates immune response to prevent runaway inflammation

⚠️ Side effects & risks

  • Administered via subQ injection (topical for skin applications); sourced as a research compound -- verify purity/COA
  • Start at lower doses -- can cause injection-site irritation

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⚕️ Medical Disclaimer: Nothing on Stack Ritual constitutes medical advice. The information provided is for educational purposes only. Always consult your doctor or a qualified healthcare provider before beginning, changing, or stopping any vitamin, supplement, or wellness regimen.