Recovery & repair
KPV
Lysine-Proline-Valine · alpha-MSH fragment · 3-aa · anti-inflammatory
A three-amino-acid fragment of alpha-MSH discussed for gut and skin inflammation — animal data only, no human trials.
Reference status
Editorial research · independent review pending · 3 claims graded
What it is
KPV is the smallest active fragment of alpha-melanocyte-stimulating hormone, studied mainly in rodent models of colitis and inflamed skin. It's often added to BPC-157/GHK-Cu stacks (see KLOW) for its anti-inflammatory reputation.
The appeal is a plausible, well-characterised anti-inflammatory mechanism at the cellular level. The gap is that this has essentially all been shown in mice and cell cultures — there is no published human trial of injectable or oral KPV for gut or skin conditions.
The science, graded
What’s claimed — and how strong the evidence behind each claim actually is.
“Calms gut irritation / helps colitis”
Consistent benefit in mouse colitis models; no human IBD trials exist.
Claim-level citation mapping is in progress.
“Supports immune balance and reduces skin inflammation”
In-vitro and animal-skin data are promising; unverified in people.
Claim-level citation mapping is in progress.
“Safe long-term daily use”
No human safety data exists at all for chronic use — this is unknown, not established.
Claim-level citation mapping is in progress.
Legal and regulatory context
Separate summaries for Great Britain, the United States, and the European Union. These are preliminary research summaries awaiting independent regional review; they are not legal determinations or advice.
Great Britain
Not a licensed medicine or approved supplement in the UK. Sold only as a research chemical, with no legal route for human-use sale.
This is preliminary regulatory research, not a reviewed legal determination or legal advice.
United States
Regional legal and regulatory review required before publication.
This is preliminary regulatory research, not a reviewed legal determination or legal advice.
- FDA's Concerns About Unapproved Drugs · U.S. Food and Drug Administration
- Certain Bulk Drug Substances for Use in Compounding that May Present Significant Safety Risks · U.S. Food and Drug Administration
European Union
Regional legal and regulatory review required before publication.
This is preliminary regulatory research, not a reviewed legal determination or legal advice.
- Buying medicines online · European Medicines Agency
What the community says
Mostly discussed as an add-on inside larger stacks (KLOW) rather than alone. Gut-health communities are curious but note the total absence of human data.
Where they’re talking
- r/PeptidesUsually mentioned as the 'gut' component of KLOW.
- IBD forumsInterest is high, evidence caveats are repeated often.
Appears in these stacks
References
- 1.Supply unlicensed medicinal products (specials) · MHRA
- 2.FDA's Concerns About Unapproved Drugs · U.S. Food and Drug Administration
- 3.Certain Bulk Drug Substances for Use in Compounding that May Present Significant Safety Risks · U.S. Food and Drug Administration
- 4.Buying medicines online · European Medicines Agency