← All Peptides

KPV

Gut inflammation, immune balance

A tiny 3-amino-acid peptide that calms inflammation by turning down NF-kB, one of the body's main inflammation switches.

In Plain English

If inflammation is a fire, KPV helps turn off the alarm system that keeps adding fuel. Especially studied for gut inflammation.

C

At a glance

Tiny anti-inflammatory piece of a natural hormone. Cheap and mild. Evidence grade C on an A-to-D scale.

HOW IT IS TAKEN
Swallowed, or under the skin
HOW OFTEN
Daily
HOW LONG
A few weeks
TESTED SPORT
Not banned

Reported practice from trials and the community, not a recommendation for anyone.

What Researchers Have Studied It For

+Calming gut inflammation
+Reducing intestinal swelling
+Skin inflammation
+Immune system balance
+Antimicrobial effects
Molecular Weight
342 Da
Half-Life
Short (~30 min)
Source
3 amino acids: Lys-Pro-Val
Storage
Keep frozen as powder. Refrigerate once mixed.
Category
Immune

Published Research

KPV nanoparticles reduce intestinal inflammation
Biomaterials (2020)

Common questions about KPV

What is KPV used for?

Researchers have studied KPV for calming gut inflammation, reducing intestinal swelling, skin inflammation, and more. In plain terms: If inflammation is a fire, KPV helps turn off the alarm system that keeps adding fuel. Especially studied for gut inflammation.

Is KPV FDA-approved?

No. KPV is not approved for human use anywhere. It is sold as a research chemical, which means no manufacturing standard, no batch recall and no one to report a problem to. The only quality control is the buyer's own.

How is KPV usually taken?

The commonly reported pattern is swallowed, or under the skin, daily, for a few weeks. That describes reported practice from trials and the community. It is not a recommendation for anyone, and several of these compounds interact with common medications.

How strong is the evidence for KPV?

Grade C on this site's A-to-D scale. C means tested only in animals or cells, so everything about human use is an educated guess. Tiny anti-inflammatory piece of a natural hormone. Cheap and mild.

Is KPV banned in drug-tested sport?

It is not specifically listed by the World Anti-Doping Agency, but tested athletes should check the current list and their federation's rules, since related compounds and blends often are.

How long does KPV stay in the body?

The half-life, the time for half a dose to leave the body, is about Short (~30 min). A short half-life means it wears off fast and is taken more often; a long one means once a week can be enough. Stored as a dry powder it keeps for months in the fridge; once mixed with water it is used within a few weeks.

🎓
Go deeper on KPV in The Peptide Course
How people commonly use it, what they notice, side effects, who stays away, and how good the evidence really is. Plus how to buy a vial that is actually KPV, and how to mix it. Six lessons are free.
Open the lesson →

You might also look at

Thymosin Alpha-1

This is the real deal — approved in dozens of countries. It trains your immune system to work better.

Immune boost, fighting illness

Glutathione

Your body's #1 detox and defense molecule. If you're feeling run down or toxic, your glutathione is probably low.

Detox, overall health
Research-use disclaimer — KPV is referenced here for research education only. It is not approved by the FDA for human consumption, treatment, cure, or diagnosis of any condition. Nothing on this page is medical advice. Consult a licensed physician for anything related to your health.