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LL-37 research vial from ZestyRat Research

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VialRecovery & Repair

LL-37

Human cathelicidin antimicrobial peptide, studied for innate immune and barrier-repair signaling.

For research use only · not for human consumption

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LL37 – 5mg
$59.99✓ In stock
$53.99 with code SHAUN10
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Independent research on LL-37. Our sister publication Peptides Uncaged maintains a plain-English research guide covering mechanism, the published literature, and how vendors are scored on purity and COA transparency. It is written independently of any lab. How to read a COA is worth ten minutes before your first order.
The research

What LL-37 is being studied for

LL-37 Is an antimicrobial peptide which belongs to the cathelicidin family of antimicrobial peptides. LL-37, like cathelicidins, are stored in neutrophil granules as inactive precursors and are released as mature peptides when neutrophils are stimulated. LL-37 is expressed in various cells and tissues such as circulating neutrophils, bone marrow cells, epithelial cells of the skin, cells in the gastrointestinal tract and well as in the epididymis and lungs.

LL-37 plays an important role in the first line of defense against infection and systemic invasion of pathogens at sites of inflammation and wound. It has shown to have antimicrobial activity against multiple Gram-Positive and Gram-negative human pathogens. LL-37 shows a broad spectrum of antimicrobial activity against bacteria, enveloped viruses, and fungi.

Although it demonstrates success in helping promote wound healing but it may play a negative role in atopic dermatitis and psoriasis. LL-37 COA.

Summary of published preclinical and clinical literature, provided for research context only. Not a claim of efficacy and not medical advice.

Common questions

LL-37 — FAQ

What is LL-37?

Human cathelicidin antimicrobial peptide, studied for innate immune and barrier-repair signaling.

What formats does LL-37 come in?

ZestyRat Research supplies LL-37 as vial. Available options: Single unit at $125.

Is there a certificate of analysis for LL-37?

Yes. ZestyRat Research is our top-rated research supplier and provides a certificate of analysis on every batch. A COA reports identity by mass spectrometry and purity by HPLC — if you are not sure how to read one, our guide on reading a certificate of analysis walks through it line by line.

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Why we send everyone to one supplier

While we build, we buy from ZestyRat Research.

Our own line is in development. Until it is finished this site does one job: send you somewhere we would order from ourselves. That is ZestyRat, and it is not a close call — 47 orders have been placed through our links, 30 of them in the last month, and every order that cleared checkout has shipped. Not one has gone missing.

Speed
ZestyRat states orders placed before 3pm ET ship the same day; their shipping policy commits to the next business day. USPS Priority or UPS, 1-3 business days.
Testing
Independently tested, 99%+ purity, per ZestyRat's own published standard.
Tracking
Tracking on every order, in plain packaging with no external labelling. All 50 US states, DC and US territories — they do not ship internationally.
Price
Consistently at or under the market on the compounds researchers buy most.
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How we review suppliers

CD Biolab is an independent research library. We do not manufacture, stock, price, test or ship anything. We review suppliers on their published testing standards, reputation, fulfilment record and pricing, and the ratings we publish are our own editorial assessment. Product photography on this site is © ZestyRat Research and is shown to identify the products they sell — not to represent stock held by CD Biolab.

Every compound referenced on this site is sold by its vendor strictly as a research chemical for in-vitro laboratory research only — not for human or animal consumption, and not intended to diagnose, treat, cure or prevent any disease. Nothing here is medical advice. We earn a commission on orders placed through our links, at no additional cost to you; all material connections are disclosed in line with FTC guidelines.

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