LL-37 is a naturally occurring antimicrobial peptide derived from the cathelicidin family, playing a vital role in the body’s first line of defense. Known for its powerful antibacterial, antiviral, and antifungal properties, LL-37 also promotes wound healing, immune regulation, and tissue regeneration. Its ability to modulate inflammation and enhance cellular repair makes it a promising peptide for addressing chronic infections, skin health, and gut integrity.
COA / HPLC / MS
View the available third-party testing documentation for this product.
What's Included
Key Highlights
Broad-Spectrum Antimicrobial Defense
Effectively targets bacteria, viruses, fungi, and biofilms — including antibiotic-resistant strains like MRSA.
Immune System Regulation
Balances inflammatory and anti-inflammatory cytokines, helping the immune system respond effectively without overstimulation.
Promotes Wound Healing
Stimulates angiogenesis (new blood vessel formation) and keratinocyte migration, accelerating recovery in wounds, surgical sites, and damaged tissues.
Supports Gut Health
Strengthens gut barrier integrity and reduces intestinal permeability (“leaky gut”), supporting digestive and immune balance.
Reduces Chronic Inflammation
Helps manage inflammatory conditions by modulating immune signaling, reducing tissue stress, and supporting long-term healing.
Enhances Tissue Regeneration
Encourages regeneration of skin and mucosal tissues, improving recovery from trauma and chronic wounds.
What Is LL-37?
LL-37 is a multifunctional peptide that supports both immune defense and tissue recovery. Found in various body tissues such as the skin, lungs, and gut, LL-37 acts as the body’s natural antibiotic—fighting off harmful microorganisms while promoting faster healing. It also regulates inflammation, helping the body maintain balance between immune protection and repair.
Why Choose LL-37?
LL-37 offers a powerful, science-backed solution for those seeking to improve immune resilience, accelerate healing, and reduce inflammation naturally. Its dual action—combating pathogens while promoting repair—makes it a unique peptide for total body wellness, from skin rejuvenation to gut and immune health.
LL-37 FAQs
What does LL-37 do in the body?
LL-37 acts as a natural antimicrobial and healing agent, protecting the body from infection while promoting tissue regeneration and immune balance.
Is LL-37 beneficial for gut health?
Absolutely. It helps maintain a healthy gut barrier, reducing inflammation and preventing “leaky gut” by supporting mucosal repair.
Does LL-37 help with inflammation?
Yes. LL-37 regulates immune activity to reduce chronic inflammation while still supporting proper immune defense.
How is LL-37 administered?
LL-37 is typically available in injectable or topical formulations, depending on whether the goal is systemic immune support or localized healing.