Gut healing research peptides
Gut research peptides span three mechanisms: mucosal angiogenesis and gastric protection (BPC-157), suppression of NF-κB-driven inflammation (KPV), and modulation of intestinal tight junctions (larazotide). Together they cover healing, inflammation, and barrier integrity.
Peptides in this category
BPC-157
Body Protection Compound 157 · PL 14736 · Pentadecapeptide BPC 157
A 15-amino-acid pentadecapeptide derived from a protective protein found in human gastric juice. The most-studied healing research peptide, with extensive pre-clinical work on tendon, ligament, gut, and vascular repair.
KPV
α-MSH 11-13 · Lysine-Proline-Valine tripeptide
A three-amino-acid C-terminal fragment of α-MSH studied for its anti-inflammatory effects in colitis, atopic skin conditions, and mucosal healing models — without the pigmentary effects of full-length MSH.
BPC-157 Arginate
BPC-157 arginine salt · Stable BPC-157
An arginine-salt formulation of BPC-157 promoted as more chemically stable in aqueous solution than the acetate form. Marketed for research use where extended reconstituted stability is required.
Larazotide
Larazotide acetate · AT-1001 · INN-202
An eight-amino-acid synthetic peptide investigated as a tight-junction modulator and zonulin antagonist for coeliac disease and intestinal-barrier research.
Relevant research stacks
Tendon & Ligament Research Stack
Combine peptides studied for soft-tissue, vascular, and cellular-migration effects in tendon and ligament repair research.
Gut Healing Research Stack
Examine complementary effects on mucosal repair, inflammatory cytokine release, and tight-junction integrity in pre-clinical gut models.
Skin & Wound Healing Research Stack
Address dermal collagen synthesis, angiogenesis, and antimicrobial defence in pre-clinical wound-healing models.
Relevant comparisons
BPC-157 vs TB-500
BPC-157 and TB-500 are the two most-discussed research peptides in soft-tissue repair. They have overlapping interest areas — tendon, ligament, and vascular healing — but operate by different mechanisms and rest on quite different bodies of evidence.
KPV vs LL-37
KPV and LL-37 occupy overlapping but distinct niches in the inflammation–antimicrobial peptide space. KPV is small, charge-neutral, and primarily anti-inflammatory; LL-37 is larger, cationic, and combines direct antimicrobial activity with broad immunomodulation.
BPC-157 vs AOD-9604
Both BPC-157 and AOD-9604 are discussed in the context of post-injury recovery, but they originate from very different research programmes and target different tissues.
Where to source research peptides for laboratory research
The following UK-based suppliers stock research-grade, lyophilised peptides for in-vitro and pre-clinical work. Purity and provenance vary; always request a Certificate of Analysis (CoA) and confirm cold-chain storage on arrival. None of the products linked below are approved for human use.
- PeptideAuthority.co.uk
UK-based research peptide supplier with batch certificates of analysis and >99% purity testing.
- PeptideBarn.co.uk
Wide catalogue of research-grade lyophilised peptides shipped from the UK, including bulk vials.