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Best Peptides for Gut Health: Research Compound Comparison
The following table summarizes the primary peptides studied for gastrointestinal repair, their mechanisms, typical research administration routes, and evidence quality. BPC-157 VEGF upregulation, angiogenesis, tight junction stabilization Subcutaneous, oral (h
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- The following table summarizes the primary peptides studied for gastrointestinal repair, their mechanisms, typical research administration routes, and evidence quality.
- BPC-157
- VEGF upregulation, angiogenesis, tight junction stabilization
- Subcutaneous, oral (high dose)
- Extensive animal data, limited human trials
- Strongest preclinical profile for mucosal healing. Lacks Phase 3 human data
- KPV
- NF-kB inhibition, anti-inflammatory cytokine modulation
- Subcutaneous, rectal, oral (high dose)
- Animal models + Phase 2 human trials (UC)
- Most advanced clinical translation for IBD. Oral bioavailability remains limited
- Thymosin Alpha-1
- T-cell differentiation, Th1/Th2 balance, systemic immune modulation
- Subcutaneous
- Clinical trials in hepatitis/sepsis, indirect gut-immune effects
- Systemic immune tool. Gut benefits secondary to GALT modulation
- VIP
- VPAC receptor activation, enteric nervous system regulation, smooth muscle relaxation
- Intranasal, subcutaneous, rectal
- Animal models, small human studies
- Short half-life limits clinical use. Stabilized analogs under investigation
- LL-37
- Antimicrobial peptide, immune modulation, epithelial repair signaling
- Topical, subcutaneous (experimental)
- Emerging preclinical data
- Endogenous defense peptide. Research exploring dysbiosis correction