Peptides for Gut Health
Overview
6 research peptides are currently studied for gut health. This guide ranks them by evidence strength and covers their mechanisms, safety profiles, and current clinical status.
Larazotide — Phase III / NDA Filed
Evidence Rating: B Category: Healing & Recovery
Larazotide (AT-1001) is a synthetic 8-amino acid peptide that acts as a tight junction regulator. It is being developed as an oral adjunct therapy for celiac disease, designed to reduce intestinal permeability ("leaky gut") triggered by gluten exposure. It is the first drug in its class and has comp...
Key claims: Reduces symptoms of celiac disease during gluten exposure; Reduces intestinal permeability.
BPC-157 — Phase I–II Clinical Trials
Evidence Rating: C Category: Healing & Recovery
BPC-157 is a synthetic 15-amino-acid peptide (sequence: Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val, MW ~1419.5 g/mol) derived from a protein found in human gastric juice. It has demonstrated robust regenerative and cytoprotective effects across hundreds of animal studies spanning te...
Key claims: Accelerates tendon and ligament healing; Heals gut lining and treats leaky gut.
KPV — Preclinical
Evidence Rating: D Category: Anti-Inflammatory / Immune
KPV is a naturally occurring tripeptide (Lys-Pro-Val, MW ~342.4 g/mol) derived from the C-terminal region (positions 11–13) of alpha-melanocyte-stimulating hormone (α-MSH). It retains potent anti-inflammatory and antimicrobial properties of the full-length hormone without activating melanocortin rec...
Key claims: Reduces intestinal inflammation; Anti-inflammatory without pigmentation.
Chonluten — Animal/Preclinical Only
Evidence Rating: D Category: Respiratory / Anti-Aging
Chonluten (Glu-Asp-Gly, EDG) is a synthetic tripeptide (MW ~305.3 g/mol) from the Khavinson bioregulatory peptide family, designed as a bioregulator for mucosal epithelium of the respiratory and gastrointestinal tracts. It is proposed to restore mucosal barrier function and epithelial regeneration i...
Key claims: Restores mucosal barrier function; Improves respiratory mucosal health.
Ovagen — Limited Evidence
Evidence Rating: D Category: Bioregulator / Research
Ovagen (Glu-Asp-Leu) is a synthetic tripeptide from the Khavinson bioregulator series designed to normalize liver and gastrointestinal function through tissue-specific gene regulation.
Key claims: Liver health improvement.
Uroguanylin — Preclinical (for uroguanylin itself) / A for GC-C pathway
Evidence Rating: D Category: GI / Metabolic
Uroguanylin is a 16-amino-acid intestinal peptide hormone that activates guanylate cyclase C (GC-C) receptors on intestinal epithelial cells. It regulates fluid and electrolyte transport, intestinal barrier function, and has emerging roles in satiety signaling and colorectal cancer prevention. The F...
Key claims: Regulates intestinal fluid secretion; May act as a satiety hormone.
Related Products
Related Research News
BPC-157 Gut Health: Gastric Cytoprotection Studies
Research on BPC-157 began with gastric cytoprotection in the early 1990s, led by Sikiric and colleagues at the University of Zagreb. Studies show it protects against ethanol-induced lesions and NSAID damage in rat models, with effects linked to angiogenesis, prostaglandins, nitric oxide, and gut-brain signaling. This body of work highlights its stability for oral use and broad preclinical applications in GI models.
KPV Peptide Research Guide: Synthesis, Uses and Lab Safety
KPV peptide, a tripeptide of lysine, proline and valine with formula C12H22N4O4, shows anti-inflammatory effects in studies on bowel disease and wound healing. Labs produce it mainly via solid-phase peptide synthesis, confirmed pure by HPLC and mass spectrometry. Proper storage, quality checks and regulatory compliance ensure reliable research outcomes.
BPC-157 Shelf Life: Lyophilized vs Reconstituted Stability Guide
BPC-157 has a finite shelf life that varies by form and storage. Lyophilized powder lasts 12-18 months refrigerated or 24+ months frozen, while reconstituted solution holds for about 28 days under refrigeration. Factors like temperature, light, and handling influence stability, and researchers should watch for signs of degradation to ensure reliable results.