LL-37 Peptide
LL-37 is a synthetic form of a naturally occurring antimicrobial peptide, belonging to the cathelicidin family, and plays a key role in the body’s innate immune defense system. In research environments, it is widely studied for its involvement in antimicrobial activity, immune modulation, and cellular protection pathways.
Within laboratory models, LL-37 is commonly investigated for its interaction with bacterial membranes, inflammatory signaling pathways, and immune response mechanisms, making it relevant in studies focused on infection control, inflammation, and tissue repair.
Researchers often explore LL-37 in experimental settings related to skin health, wound healing, and immune system regulation, as well as broader investigations into host defense peptides and cellular resilience.
Due to its multifunctional biological activity, LL-37 is frequently used in controlled laboratory studies examining antimicrobial effects, immune signaling, and regenerative biological processes.
Key Research Characteristics
- Antimicrobial peptide from cathelicidin family
- Studied in innate immune response and defense pathways
- Associated with anti-inflammatory and antimicrobial activity
- Investigated in skin, wound healing, and tissue repair models
- Used in experimental immune and regenerative research
Product Specifications
Compound Name: LL-37
Compound Type: Synthetic Antimicrobial Peptide (Cathelicidin Analog)
Available Vial Size: 5mg
Format: Lyophilized Powder
Purity: ≥99% (Research Grade)
Storage: Refrigerate at 2–8°C and protect from direct light.
Storage Instructions
LL-37 should be stored in a refrigerated environment between 2–8°C to maintain stability. After reconstitution, the solution should remain refrigerated and handled according to proper laboratory protocols.
Research Disclaimer
This product is intended strictly for laboratory research and analytical purposes only. It is not intended for human consumption, medical use, or veterinary application. All research must be conducted by qualified professionals in controlled laboratory environments.








Callum Sheridan (verified owner) –
LL37 5mg purity confirmed 99.3% on this batch. 2-day delivery to Sydney, AU. The batch verification system removes the guesswork from ordering research compounds. 1st order — quality has been reliable each time.
Batch #ELY-LL3-2025-0285Sydney, AU
Patrick Drummond (verified owner) –
LL37 5mg — 2nd order from Elysium. Purity 99.0% confirmed. Perth, AU delivery in 4 days. Consistent quality, fast dispatch, and the batch verification system make this the default choice for this compound.
Batch #ELY-LL3-2026-0319Perth, AU
Sebastian Hargreaves (verified owner) –
LL37 5mg — batch ELY-LL3-2026-0183 verified at 99.1% via HPLC. 2-day delivery to Sydney, AU. The 10-vial format is the most cost-effective option for extended research protocols. Quality is consistent with the published specification.
Batch #ELY-LL3-2026-0183Sydney, AU
William Ashford (verified owner) –
Compared several suppliers before ordering LL37 5mg from Elysium. Batch ELY-LL3-2026-0217 confirmed 99.2%. Delivery to Melbourne, AU in 1 days. The bulk vial pricing is the most competitive I have found for this compound.
Batch #ELY-LL3-2026-0217Melbourne, AU
Edward Calloway (verified owner) –
The HPLC data for batch ELY-LL3-2026-0251 was accessible before placing the order — 99.3% confirmed. LL37 5mg arrived in 4 days to Edinburgh, UK. This level of pre-purchase batch transparency is not available from any other supplier I have tried.
Batch #ELY-LL3-2026-0251Edinburgh, UK
Simon H. (verified owner) –
Second order. Consistent quality — 99.2% purity confirmed across both batches. Discreet packaging, fast tracked delivery from Melbourne. This is the standard I expect from a research supplier.
Batch #ELY-LL3-2026-0322Perth, AU
James T. (verified owner) –
Ordered to the UK — arrived in 4 days. Batch report confirmed 99.1% purity. More thorough HPLC documentation than most domestic UK suppliers provide. Will be ordering regularly.
Batch #ELY-LL3-2026-0308London, UK
Paul S. (verified owner) –
Best per-vial price in Australia for LL37 at this purity level. Second order — same quality as the first. Batch verification is a genuine differentiator. 99.3% confirmed. Melbourne to Brisbane in 2 days.
Batch #ELY-LL3-2026-0315Brisbane, AU
David M. (verified owner) –
Verified batch ELY-LL3-2026-0329 on the Elysium site before placing my order. Full HPLC-MS report confirmed 99.2% purity. Ordered, arrived in 2 days to Sydney. First order and already planning the next. Impressive transparency.
Batch #ELY-LL3-2026-0329Sydney, AU
Tom K. (verified owner) –
Third order of the 10-vial pack. Ran independent COA — 99.1% purity confirmed on batch ELY-LL3-2026-0341. Ships same day from Melbourne, arrives in 2 days every time. This is my permanent supplier for LL37.
Batch #ELY-LL3-2026-0341Melbourne, AU