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Peptides for Gut health

The peptides people most often research for gut health, with how much evidence exists for each. A long list does not mean any of them is proven to work in people.

Medically reviewed by Juan Pablo Frías, MD · · DisclosureUpdated
Peptides listed
3
With human trials
0
FDA approved (any use)
0
Searches per month
2,420
Showing 3 peptides · ordered by search interest for this goal
  1. BPC-157Gastric pentadecapeptideAnimal evidence, 2 of 4World journal of gastroenterology 2017, PMID 29358856Human5Animal87Summarised4PCAC voted 8–6 for 503A (Jul 2026)For gut healthOverview
  2. KPVAnti-inflammatory tripeptideAnimal evidence, 2 of 4Inflammatory bowel diseases 2008, PMID 18092346Human4Animal6Summarised2PCAC voted 8–6 for 503A (Jul 2026)For gut healthOverview
  3. TB-500Synthetic fragment of thymosin beta-4No study with an outcome for gut healthPubMed search, 2 Oct 2026Human13Animal13Summarised0PCAC voted 8–6 for 503A (Jul 2026)Overview
Read this first

What this list does not show

Search demand tells you what people are curious about, not what works. Read each peptide's evidence before anything else.

Search interest is not evidence

This list follows what people search for and discuss. It says nothing about how well any peptide works.

Animal results may not carry over

Doses, routes and effects seen in rodents or cell dishes often have no tested human equivalent.

Approval covers specific uses

An FDA approval applies to the conditions and doses on the label, not to every goal a drug is searched with.

Combinations are a separate question

Blends and stacks put several peptides together. Evidence for one peptide is not evidence for the mix.
Related goals

Explore nearby goals

What people search

  • peptides for gut health1,300/mo
  • best peptides for gut health480/mo
  • gut health peptides320/mo
  • peptides for leaky gut90/mo
  • peptides for digestion70/mo
  • peptide for digestion40/mo

US monthly searches, Google Keyword Planner, Oct 2026. Shown so you can see which questions this page answers.

Sources

  1. 1Stable gastric pentadecapeptide BPC 157 in the treatment of colitis and ischemia and reperfusion in rats: New insights.World journal of gastroenterology · 2017PMID 29358856Accessed 2 Oct 2026
  2. 2Melanocortin-derived tripeptide KPV has anti-inflammatory potential in murine models of inflammatory bowel disease.Inflammatory bowel diseases · 2008PMID 18092346Accessed 2 Oct 2026
  3. 3PubMed search: ("TB-500"[tiab] OR TB500[tiab] OR "thymosin beta-4"[tiab] OR "thymosin beta4"[tiab] OR Tbeta4[tiab]) (1199 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  4. 4PubMed search: ("TB-500"[tiab] OR TB500[tiab] OR "thymosin beta-4"[tiab] OR "thymosin beta4"[tiab] OR Tbeta4[tiab]) AND (humans[mh] OR patients[tiab]) (678 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  5. 5PubMed search: ("TB-500"[tiab] OR TB500[tiab] OR "thymosin beta-4"[tiab] OR "thymosin beta4"[tiab] OR Tbeta4[tiab]) AND (randomized[tiab] OR clinical trial[pt]) (18 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  6. 6PubMed search: ("TB-500"[tiab] OR TB500[tiab] OR "thymosin beta-4"[tiab] OR "thymosin beta4"[tiab] OR Tbeta4[tiab]) AND (half-life[tiab] OR pharmacokinetic*[tiab]) (16 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  7. 7PubMed search: ("TB-500"[tiab] OR TB500[tiab] OR "thymosin beta-4"[tiab] OR "thymosin beta4"[tiab] OR Tbeta4[tiab]) AND (wound[tiab] OR dermal[tiab] OR skin[tiab] OR hair[tiab]) (212 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  8. 8PubMed search: ("TB-500"[tiab] OR TB500[tiab] OR "thymosin beta-4"[tiab] OR "thymosin beta4"[tiab] OR Tbeta4[tiab]) AND (tendon[tiab] OR muscle[tiab] OR cardiac[tiab] OR myocardial[tiab] OR heart[tiab]) (246 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  9. 9PubMed search: "TB-500"[tiab] OR TB500[tiab] OR "Ac-LKKTETQ"[tiab] (33 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026

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