Home›Research›Compare›Larazotide vs LL-37
Peptide ComparisonLarazotide vs LL-37
Both are Tissue Repair peptides.
Larazotide
AT1001
Half-life: ~30 minutes (local gut action)
11 providers listed
Larazotide carries stronger published evidence (RCT, 3 key studies) than LL-37 (Cohort study, 19); both are research compounds.
Larazotide
Evidence
Half-life
~30 minutes (local gut action)
LL-37
Evidence
Half-life
~30 minutes
| Your goal | Better option |
|---|---|
| Stronger clinical evidence | Larazotide |
| Further along in FDA review | Larazotide |
| Oral administration option | Larazotide |
| More provider options (11 vs 38) | LL-37 |
Research summary only — not medical advice. Consult a qualified provider before making any decisions.
Larazotide
LL-37
Larazotide
Larazotide acetate for persistent symptoms of celiac disease despite a gluten-free diet: a randomized control…
Potassium-Competitive Acid Blocker Increases Ileal Permeability and Exacerbates Ileal Inflammation under Stre…
A randomized, double-blind study of larazotide acetate to prevent the activation of celiac disease during glu…
LL-37
Immunomodulatory effects of synthetic antimicrobial peptides on LPS-induced inflammatory responses in THP-1 m…
The Role of Vitamin D in Modulating the Innate Immune Response in Children with Vesicoureteral Reflux.
Antimicrobial peptoids pass rapidly through bacterial membranes and flocculate ribosomes and DNA: A single-ce…
Antimicrobial peptoids pass rapidly through bacterial membranes and flocculate ribosomes and DNA: A single-ce…
+15 more
About Larazotide
Synthetic octapeptide that prevents zonulin-mediated tight junction opening; maintains intestinal epithelial barrier integrity
About LL-37
Human cathelicidin antimicrobial peptide; disrupts bacterial membranes and modulates innate immune response via TLR signaling
Information below reflects published research data only — not medical advice. Consult a qualified provider before use.
Larazotide
No established clinical contraindications. This is an investigational compound with limited human data and has not been evaluated by the FDA for safety in this context. Consult a qualified clinician.
LL-37
No established clinical contraindications
Larazotide
Not enough vendor pricing yet.
LL-37
Where to source these peptides
Larazotide
11 listed
Browse directory →
Providers offeringLL-37
38 listed
Browse directory →
PeptideBase lists providers for educational research purposes only. Always consult a qualified healthcare professional before obtaining or using any peptide.
More Tissue Repair Comparisons
Browse all peptides →Educational research tools — not medical advice.
Cite this page
Data last updated July 22, 2026
Free to reference and republish with attribution to PeptideBase. Choose a format:
PeptideBase. (2026). Larazotide vs LL-37 — Per-mg Price Comparison. Retrieved July 22, 2026, from https://peptidebase.io/peptides/compare/larazotide/ll-37