Gut health
What has been measured for gut health?
The gut lining, gut growth, and the compounds used when part of the bowel has been removed (short bowel syndrome). A small area with a couple of truly approved drugs in it.
41 compounds studied for this · 6 with a completed trial of a hundred people or more · 9 with no study in people at all
What has actually been measured here
This page lists the compounds studied for gut health. These pages work the other way round. They take one goal at a time and list every compound by how many people it was measured in, most first. Each shows what the study found, and the trials that found nothing are counted.
Gut and digestion
Does it fix a gut problem?
Liver fat and liver health
What does it do to the liver?
Inflammation
Does it bring inflammation down?
Strong and Moderate 6
At least one finished trial that gave the compound to a hundred people or more. That tells you how much has been measured. It does not tell you whether it will work for you. The math sits under every band.
Larazotide
Moderate. At least one finished study in people, and at least 100 people who took it. 2 completed trials, 526 people given it.3 citedA gut barrier peptide for celiac disease that is still being tested. It reached a large final-stage study, but the compa...
PeptideHealing & RecoveryBerberine
Moderate. At least one finished study in people, and at least 100 people who took it. 3 completed trials, 186 people given it.4 reported3 citedAcross 46 studies, berberine lowered average blood sugar (HbA1c) by 0.73 points. In a small head-to-head test, it lowere...
SupplementMetabolicGlepaglutide
Moderate. At least one finished study in people, and at least 100 people who took it. 3 completed trials, 230 people given it.6 citedA long-lasting copy of GLP-2, a gut hormone, for people whose short bowel means they need feeding by drip. In a 106 pers...
PeptideMetabolicPlecanatide
Strong. At least two finished studies in people, and at least 1,000 people who took it. 2 completed trials, 1,337 people given it.3 reported2 citedA constipation pill approved in 2017, for long-term constipation with no known cause and for IBS with constipation. It i...
PeptideHealing & RecoveryThymosin alpha-1 with KPV and LL-37
Strong. At least two finished studies in people, and at least 1,000 people who took it. 3 completed trials, 1,140 people given it.6 reported3 citedA three-peptide immune blend from the clinic end of the market. The ingredient with the biggest study, thymosin alpha-1,...
BlendImmuneTaspoglutide
Strong. At least two finished studies in people, and at least 1,000 people who took it. 3 completed trials, 2,181 people given it.7 citedA once-a-week GLP-1 shot that lowered average blood sugar (HbA1c) more than exenatide and sitagliptin in large final-sta...
PeptideMetabolicLimited and Preliminary 26
Someone has been given it and a result was published, but in fewer than a hundred people. Or the studies in people only watched and never gave anybody anything. The math on each card says exactly how thin.
BPC-157
Limited. People have taken it in a published study, but fewer than 100 of them. 3 completed trials, 31 people given it.10 reported7 citedA lab-made piece of a stomach protein. It has lots of animal studies on tendon, muscle and gut healing. In people there...
PeptideHealing & RecoveryTeduglutide
Limited. People have taken it in a published study, but fewer than 100 of them. 2 completed trials, 83 people given it.4 reported3 citedAn FDA-approved shot that helps the gut grow in short bowel syndrome, so people need less feeding through a vein.
PeptideMetabolicApraglutide
Limited. People have taken it in a published study, but fewer than 100 of them. 2 completed trials, none stating how many people.2 citedA once a week version of GLP-2 for short bowel syndrome, where the approved drug, teduglutide, needs a daily shot. In sm...
PeptideHealing & RecoveryLinaclotide
Limited. People have taken it in a published study, but fewer than 100 of them. 1 completed trial, none stating how many people.3 reported1 citedIn 839 adults with irritable bowel syndrome and constipation, 60 percent had less belly pain on it, against 49 percent o...
PeptideHealing & RecoveryAcarbose
Preliminary. Studied in people, but no published study has had people take it. 2 human studies where nobody was given it.4 reported2 citedAn old, cheap diabetes pill that slows how fast starch turns into sugar. In people, a large heart study found no heart b...
Small moleculeLongevityDapiglutide
Limited. People have taken it in a published study, but fewer than 100 of them. 1 completed trial, 54 people given it.2 citedThe only drug in weight-loss testing that pairs GLP-1 with GLP-2. Its first test missed. In 54 people over 12 weeks, it...
PeptideMetabolicPL8177
Preliminary. Studied in people, but no published study has had people take it. 2 human studies where nobody was given it.2 reported2 citedPalatin's peptide pill that switches on MC1R, for ulcerative colitis. In a small mid-stage study, 33 percent went into r...
PeptideMelanocortinInulin
Limited. People have taken it in a published study, but fewer than 100 of them. 1 completed trial, 39 people given it.6 reported1 citedIt did not help mice live longer, in either sex, in the same test where extra glycine gave a 4 to 6 percent gain. In a r...
SupplementMetabolicSemaglutide with BPC-157
Limited. People have taken it in a published study, but fewer than 100 of them. 1 completed trial, none stating how many people.7 reported1 citedAn approved drug with a 14.9% weight loss result, paired with a peptide the FDA looked at in 2026 and found no good huma...
BlendMetabolicNeurotensin
Limited. People have taken it in a published study, but fewer than 100 of them. 1 completed trial, 6 people given it.2 citedNeurotensin is a small 13-building-block peptide your body makes. It eases pain in rodents. No human study has tested pa...
PeptideNootropic & CNSARD-101
Limited. People have taken it in a published study, but fewer than 100 of them. 1 completed trial, 20 people given it.3 reported4 citedIt made adults less hungry by switching on bitter taste receptors in the gut. Both of its final-stage studies, in a rare...
Small moleculeMetabolicOxyntomodulin
Limited. People have taken it in a published study, but fewer than 100 of them. 1 completed trial, 13 people given it.4 citedOxyntomodulin is glucagon with eight extra building blocks on the end. That tail lets it weakly switch on two hormone re...
PeptideMetabolicKLOW blend
Limited. People have taken it in a published study, but fewer than 100 of them. 1 completed trial, 13 people given it.11 reported2 citedKLOW is a seller's mix of four peptides in one vial, usually 50 mg GHK-Cu plus 10 mg each of KPV, BPC-157 and TB-500. It...
BlendHealing & RecoveryQuad healing blend
Limited. People have taken it in a published study, but fewer than 100 of them. 1 completed trial, 13 people given it.8 reported1 citedThe same four peptides as KLOW, mixed in very different amounts. It is usually 5 mg TB-500, 5 mg BPC-157, 10 mg KPV and...
BlendHealing & RecoveryTirzepatide with BPC-157
Limited. People have taken it in a published study, but fewer than 100 of them. 1 completed trial, none stating how many people.7 reported1 citedThe same pairing idea as the semaglutide version. One side has a bigger weight loss effect. The other side is just as em...
BlendMetabolicZinc-L-carnosine
Limited. People have taken it in a published study, but fewer than 100 of them. 1 completed trial, none stating how many people.2 reported1 citedIn a final-stage trial in women having radiotherapy for breast cancer, it prevented trouble swallowing. It is a mix of z...
SupplementHealing & RecoveryGIP
Limited. People have taken it in a published study, but fewer than 100 of them. 2 completed trials, 10 people given it.2 reported6 citedGIP is one of two gut hormones that tell your pancreas to release insulin after a meal. It is the G in tirzepatide and t...
PeptideMetabolic(R/S)-1,3-Butanediol
Limited. People have taken it in a published study, but fewer than 100 of them. 1 completed trial, none stating how many people.2 reported3 citedIn people, it raises blood ketones for a few hours. In 9 cyclists, it gave 5 of them moderate to severe gut problems and...
SupplementLongevityPeptide YY
Limited. People have taken it in a published study, but fewer than 100 of them. 3 completed trials, 12 people given it.3 reported3 citedPeptide YY is a gut hormone your body releases after meals, alongside GLP-1. Given by drip to 12 lean and 12 obese peopl...
PeptideMetabolicUrolithin A
Limited. People have taken it in a published study, but fewer than 100 of them. 2 completed trials, none stating how many people.4 reported3 citedA compound your gut makes from pomegranates and berries. In older adults it helped muscle stamina and strength on some t...
SupplementMuscle & PerformanceBI 3034701
Preliminary. Studied in people, but no published study has had people take it. 2 human studies where nobody was given it.1 reported2 citedBoehringer Ingelheim's drug that works on three signals: GLP-1, GIP and NPY2, a fullness signal from the gut. It started...
PeptideMetabolicGLP-1
Limited. People have taken it in a published study, but fewer than 100 of them. 2 completed trials, 8 people given it.1 reported2 citedThe natural gut hormone behind the whole GLP-1 drug family. You make it after you eat, and it raises insulin and cuts ap...
PeptideMetabolicVIP
Limited. People have taken it in a published study, but fewer than 100 of them. 1 completed trial, none stating how many people.2 reported2 citedA signalling peptide with wide effects on the immune system, swelling and blood flow. It has been studied as a nose spra...
PeptideHealing & RecoveryHEC88473
Limited. People have taken it in a published study, but fewer than 100 of them. 1 completed trial, none stating how many people.1 reported1 citedThe only GLP-1 pairing on this site that is not with another gut hormone. It pairs GLP-1 with FGF21, a liver hormone, to...
BiologicMetabolicLanreotide
Limited. People have taken it in a published study, but fewer than 100 of them. 1 completed trial, none stating how many people.4 reported1 citedIn people with advanced neuroendocrine tumours of the gut and pancreas, it kept tumours from growing for longer. At two...
PeptideHormoneUrolithin B
Limited. People have taken it in a published study, but fewer than 100 of them. 1 completed trial, none stating how many people.1 citedSold on the good name of urolithin A, which has human studies. Urolithin B has none. Its muscle result comes from muscle...
SupplementMuscle & PerformanceAnimal or lab only, and nothing measured 9
Studied in animals or in cells in a dish, or studied in people for something else entirely. Listed, not hidden, because knowing a thing has not been tested in a person is the useful part.
KPV
Animal or lab only. Only animal or lab studies on this page. No study in people yet. 2 animal studies, no human study.6 reportednone citedA tiny peptide of three amino acids, cut from the hormone alpha-MSH. It calms swelling and is studied for gut and skin i...
PeptideHealing & RecoveryBPC-157 with KPV
Animal or lab only. Only animal or lab studies on this page. No study in people yet. 1 animal study, no human study.7 reportednone citedTwo peptides sold together for gut problems, most often 10 mg of each in a 20 mg vial. Nobody has ever studied the pair....
BlendHealing & RecoveryGLP-2
Animal or lab only. Only animal or lab studies on this page. No study in people yet. 1 animal study, no human study.1 reportednone citedA natural gut hormone that helps the gut lining grow and heal. It is the model for the drug teduglutide.
PeptideMetabolicOvagen
Animal or lab only. Only animal or lab studies on this page. No study in people yet. 1 animal study, 1 lab study, no human study.7 reportednone citedSold as a liver and gut peptide, with the sequence Glu-Asp-Leu. A PubMed search for Ovagen finds 34 papers, and none is...
PeptideAnti-agingDeadpool blend
Animal or lab only. Only animal or lab studies on this page. No study in people yet. 1 animal study, 1 lab study, no human study.7 reportednone citedA vial of three repair peptides, most often 10 mg each of BPC-157, TB-500 and KPV. It is sold as KLOW without the copper...
BlendHealing & RecoveryPentadeca Arginate
Animal or lab only. Only animal or lab studies on this page. No study in people yet. 1 animal study, no human study.8 reportednone citedPentadeca arginate is BPC-157 with a different salt. The 15 building blocks are the same. It was made to get around comp...
PeptideHealing & RecoveryChonluten
Animal or lab only. Only animal or lab studies on this page. No study in people yet. 2 lab studies, no human study.2 reportednone citedChonluten is a three building block peptide from Khavinson's institute, sold for lung and gut lining health. The evidenc...
PeptideImmuneGB-115
Animal or lab only. Only animal or lab studies on this page. No study in people yet. 2 animal studies, no human study.2 reportednone citedGB-115 is a Russian anti-anxiety pill made of two building blocks. It works on a gut and brain signal called CCK. Wester...
PeptideNootropic & CNSLivagen
Animal or lab only. Only animal or lab studies on this page. No study in people yet. 2 lab studies, no human study.4 reportednone citedLivagen is a four building block peptide from Khavinson's institute, sold for liver and gut health. All the work so far...
PeptideLongevityReading on this goal
Peptides for Joint Pain: BPC-157, TB-500, Lorecivivint, Pentosan and Collagen Peptides, Evidence Tiered
What studies in people say about joint pain treatments: hyaluronic acid shots (89 studies, tiny effect), lorecivivint (waiting on the FDA since January 2026 after two big studies failed on pain), collagen peptides (three small studies), pentosan polysulfate (a 538-person study reporting in 2027), and BPC-157 and TB-500, whose human records sit outside the joint entirely. Plain English.
Peptides for Gut Health: BPC-157, KPV and Larazotide Ranked by Human Evidence
Five peptides sold or studied for the gut, sorted by what has actually been tested in people: larazotide (a good mid-sized study, then a big study stopped in 2022 because it wasn't working), teduglutide (approved), BPC-157 (three small reports in people, none about the gut), KPV (never tested in people) and pentadeca arginate (no studies at all), plus what the July 2026 FDA panel votes did and did not decide. Plain English.
Peptide Side Effects by Class: What Is Documented, What Is Anecdotal
A group-by-group table that separates side effects counted in studies and on FDA labels (GLP-1 drugs, bremelanotide, MK-677, elamipretide) from the stories that fill forums about BPC-157, TB-500, copper peptides and brain peptides. Plain English.
How to Read a Peptide Certificate of Analysis: HPLC Purity, Mass Spec Identity, Endotoxin, and Janoshik Verification
What each line on a peptide lab certificate means, what a purity number does and does not tell you, how to check a Janoshik report, and the warning signs the FDA's own 2026 review found in products on the market. Plain English. No seller recommendations.
What the number counts, exactly
The number on each card is how many sources on that compound’s page are studies in people. It is counted the same simple way for all 453 compounds. You can check any of it by opening the profile and reading the list of sources. That is the whole point of showing a number at all.
It counts what we cite. It does not claim how much research exists. A compound with three studies in people here may have thirty in print, and the honest thing to say is that we have read and listed three. It is also not a quality score. Three small, loose studies count the same as three careful ones. So the groups tell you how much was measured in people, and the profile page tells you how well.