What is LL-37?
LL-37 is a naturally occurring human cathelicidin peptide researched for its antimicrobial, immunomodulatory, and wound-healing properties.
Where to Buy LL-37 Online
154 vendors in our directory currently list LL-37 — 144 online stores and 10 wholesale suppliers. Stores sell by the vial with a price you can check; wholesale suppliers quote per gram on enquiry. Featured vendors paid for their placement; ratings and trust signals are never for sale.
The top 15 online stores are compared below, ordered by our directory ranking.
| Vendor | Trust signals | Reputation score | User reviews | Coupon | Visit vendor |
|---|---|---|---|---|---|
| 4.9Rated 4.9 out of 5 | No user reviews | — | Visit site | |
| 4.9Rated 4.9 out of 5 | No user reviews | — | Visit site | |
| 4.9Rated 4.9 out of 5 | No user reviews | — | Visit site | |
| 4.8Rated 4.8 out of 5 | No user reviews | — | Visit site | |
| 4.8Rated 4.8 out of 5 | No user reviews | — | Visit site | |
| 4.8Rated 4.8 out of 5 | No user reviews | — | Visit site | |
| 4.8Rated 4.8 out of 5 | No user reviews | — | Visit site | |
| 4.7Rated 4.7 out of 5 | No user reviews | — | Visit site | |
| 4.4Rated 4.4 out of 5 | No user reviews | — | Visit site | |
| 4.3Rated 4.3 out of 5 | No user reviews | — | Visit site | |
| 4.3Rated 4.3 out of 5 | No user reviews | — | Visit site | |
| 3.8Rated 3.8 out of 5 | No user reviews | — | Visit site | |
| 3.6Rated 3.6 out of 5 | No user reviews | — | Visit site | |
| 3.2Rated 3.2 out of 5 | No user reviews | — | Visit site | |
| Not yet rated | No user reviews | — | Visit site |
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Compare all LL-37 prices per mg →
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10 wholesale suppliers list LL-37 for bulk orders. Quote-based — send an enquiry from the supplier's page and compare MOQ, lead time and COAs. Your enquiry goes to the supplier through PeptidesFinder; their reply lands in your inbox.
Sema Peptides
Wholesale supplier
Lotus Bio
Wholesale supplier
Revolution Peptides
Ships from US
Nanjing Peptides
Wholesale supplier
Hangzhou Mandy Biotechnology
Wholesale supplier
Aavant Research
Ships from Us
Noble Dragons
Wholesale supplier
Reta-Peptide
Ships from China
Mechanism of Action
It disrupts microbial membranes and modulates immune signaling, promoting pathogen clearance and tissue repair.
Clinical Research
Cited studies
Researched Benefits
Research on LL-37 has focused on the following areas:
- Endogenous cathelicidin peptide with broad-spectrum antibacterial, antiviral, and antifungal activity
- Modulates innate immune responses and helps resolve chronic inflammation
- Investigated for supporting wound healing, biofilm disruption, and mucosal defense
Side Effects & Safety
Adverse reactions and limitations documented for LL-37 include:
- Local irritation
- Inflammatory response at high doses
