Verified ComparisonLast updated: 9 March 2026
Best Peptides for Gut-Health Research
Gut-health research examines peptides that strengthen intestinal barriers, promote healing, and restore microbial tolerance. This overview ranks by GI-specific evidence.

BPC-157
Recovery
4.5/ 5
A
Larazotide
Immune
3.9/ 5
B+
Editor's note
BPC-157 offers broad GI scope; Larazotide targets tight-junction pathology specifically.
| Criterion | BPC-157 | Larazotide |
|---|---|---|
| Intestinal barrier focus | Primary (healing) | Primary (tight junctions) |
| Tight-junction data | Moderate | Celiac-specific (high) |
| Broad GI healing scope | Extensive | Celiac-focused |
| Permeability research | Growing | Established |
Want to read the full reviews?