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KPV

Last reviewed: April 18, 2026 by The Peptide Catalog Team

An anti-inflammatory peptide for gut health and skin conditions. KPV is a tripeptide (Lys-Pro-Val) derived from alpha-melanocyte-stimulating hormone (α-MSH). It possesses potent anti-inflammatory and antimicrobial properties without the pigmentation effects of its parent molecule. Research focuses on inflammatory bowel disease, skin conditions, wound healing, and gut health. It reduces pro-inflammatory cytokines and modulates immune responses.

CategoryImmune & Thymic Peptides
Classimmune modulator
GoalGut HealthImmune Support
Overview

Core Benefits

Key Advantages
NF-kB inhibition
Blocks NF-κB to reduce IL-1β, IL-6, and TNF-α cytokines.
Anti-inflammatory melanocortin
α-MSH-derived — gut, skin, and joint inflammation focus.
Gut health support
Researched for IBD, Crohn's, and ulcerative colitis.
Skin condition support
Studied for psoriasis, eczema, and inflammatory skin issues.
No tanning effect
Unlike parent α-MSH — no skin pigmentation changes.
Oral or injectable
Capsules target gut; injection for systemic effects.

These are educational summaries of commonly discussed effects in wellness/regenerative contexts, not guarantees.

KPV Results Timeline

Progression
1
Week 1–2
Physical Changes
Reduced gut bloating, improved digestion
Performance & Recovery
Anti-inflammatory effects begin
Other Benefits
May notice reduced gut discomfort (if applicable)
2
Week 3–6
Physical Changes
Skin improvements, reduced redness/irritation
Performance & Recovery
Cumulative anti-inflammatory benefits
Other Benefits
Improved digestive comfort, reduced bloating
3
Month 2–3
Physical Changes
Clearer skin, healthier gut lining
Performance & Recovery
Sustained inflammatory marker reduction
Other Benefits
Often used alongside other gut health protocols
4
Usage Note
Physical Changes
Visible improvements in inflammatory conditions
Performance & Recovery
Best for IBD, skin conditions, gut health
Other Benefits
Oral form targets gut; injectable for systemic effects

Timeline is illustrative and non-guaranteed. Outcomes vary and are commonly discussed alongside training, nutrition, sleep, and cycling practices.

Read the full KPV results timeline →

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Evidence at a glance

Two parallel grades per outcome — clinical RCT depth and real-world community adoption. See the Research Overview below for citations and detail.

OutcomeClinical EvidenceCommunity Evidence
Intestinal inflammation (colitis)PreliminaryWeak
Anti-inflammatory NF-kB suppressionPreliminaryWeak
Skin inflammation / eczemaPreliminaryWeak
How It WorksAnti-Inflammatory Peptide — Alpha-MSH Fragment

Target → NF-κB Inhibition → Anti-Inflammation → Outcomes

1
Target

MC1R (Immune Cells) + NF-kB Pathway

KPV is a tripeptide (Lys-Pro-Val) derived from the C-terminal of alpha-MSH. It activates MC1R on immune cells and directly inhibits the NF-kB inflammatory pathway. Unlike full alpha-MSH or Melanotan peptides, KPV does NOT cause skin pigmentation.

2
Cellular Signal

NF-kB Inhibition → Reduced Inflammatory Cytokines

KPV enters cells and directly inhibits NF-kB nuclear translocation — blocking the master switch of inflammation. This reduces production of TNF-alpha, IL-6, IL-1beta, and other inflammatory cytokines. Also modulates T-cell and macrophage activity.

3
Systemic Effect

Broad Anti-Inflammation + Gut Healing

Potent anti-inflammatory effects across multiple tissue types. Research particularly focuses on gut inflammation (IBD, colitis), skin inflammation, and wound healing. The oral form may provide direct gut-local effects for GI conditions.

4
What You Notice

Reduced Inflammation → Gut Comfort → Skin Improvement

Reduced inflammatory symptoms over days to weeks. Gut comfort improvements for those with GI inflammation. Skin inflammation improvements for relevant conditions. No tanning or pigmentation effects despite being derived from alpha-MSH.

What Makes This Peptide Different

KPV is unique as a pure anti-inflammatory without pigmentation effects. Despite being derived from alpha-MSH (the tanning hormone), this 3-amino-acid fragment retains only the anti-inflammatory properties. The oral route is particularly interesting for gut-targeted inflammation — the peptide survives digestion and acts locally on intestinal tissue.

Research overview

Outcome-by-outcome look at what the evidence actually supports for KPV, including human vs. animal study counts and our editorial take on each.

Intestinal inflammation

Clinical:PreliminaryCommunity:Weak

KPV is the C-terminal tripeptide of α-MSH and retains its anti-inflammatory activity without melanocortin receptor effects. Dalmasso 2008 showed oral KPV reduced colitis severity in DSS and TNBS rodent models via PepT1 transporter uptake. All evidence is preclinical — no human trial of KPV monotherapy has been published.

0 human studies · 8 animal studies

Key findings & citations
  • Oral KPV reduced DSS-colitis and TNBS-colitis severity in mice (Dalmasso 2008).
  • Mechanism: PepT1-mediated uptake into colonocytes and macrophages followed by NF-κB inhibition.
  • Nanoparticle-targeted formulations (Xiao 2017) improve colon delivery in animal models.
  • No published human trial in IBD or any inflammatory indication.

Our take

Mechanistically interesting but everything is rodents. Community use for gut and skin inflammation is built on extrapolation, not human data.

Skin inflammation

Clinical:PreliminaryCommunity:Weak

Mechanistic work shows KPV inhibits NF-κB and pro-inflammatory cytokine release in keratinocytes and macrophages, with effects largely paralleling parent α-MSH minus the pigmentary actions. No published human trial in psoriasis, eczema, or any dermatologic indication.

0 human studies · 3 animal studies

Key findings & citations
  • Inhibits NF-κB activation in cultured keratinocytes at nanomolar concentrations.
  • Mechanistic overlap with α-MSH for inflammation without the MC1R pigment activation.
  • No published controlled trial in human dermatologic disease.

Our take

Plausible biology, zero human trials. Topical KPV is essentially community-experimental.

What KPV doesn't do

Claims that current evidence does not support. Worth knowing before you set expectations.

Top KPV Vendors

#1 VendorNura Peptide25% OFFCOA Verified

$33.75 for 10mg ($3.38/mg) · Score: 10/10

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Dosing ProtocolImmunity / Anti-Inflammatory

Educational reference only. Individual responses vary. Consult healthcare provider before use.

Vial Size
10 mg
Reconstitution
2 ml BAC water
Dose
500 mcg (10 units on 1ml syringe)
Timing
AM
Frequency
5 days on, 2 days off
Duration
8 weeks on, 8 weeks off
Protocol Notes
Tripeptide from alpha-MSH with anti-inflammatory properties. Also available as oral capsules for gut-specific effects. Research focuses on IBD, skin inflammation, and wound healing. No pigmentation effects unlike parent molecule.

Why This Dosing Protocol

Why oral option for gut? For GI inflammation (IBD, colitis), oral KPV delivers the peptide directly to intestinal tissue. The lower systemic bioavailability is actually an advantage — high local concentration where needed.

Why AM/PM split? Maintaining consistent anti-inflammatory levels throughout the day, particularly for chronic inflammatory conditions.
Full Dosing GuideReconstitution CalculatorCycle Cost Calculator
Popular KPV Stacks

Pre-made bundles ranked by value. Cost per mg is based on the KPV portion of each stack.

Top BPC-157 + GHK-Cu + TB-500 + KPV Vendors

#1 VendorAscension PeptidesAscension PeptidesCOA Verified

$150.00 for 80mg ($1.88/mg) · Score: 10/10

Compare 3 vendors

GHK-Cu + KPV

Skin and gut combo — GHK-Cu for collagen and copper signaling, KPV for inflammation control.

1
COA
EZ Peptides
Top Pick

EZ Peptides

Score
10/10
Price
$85.00
Contents
50mg/20mg
Cost/mg
$1.70/mg
View at EZ Peptides

Reconstitution Calculator

Dilution math and unit conversions. Prefilled using a common vial size for this peptide.

Open calculator

Storage & Handling

Storage at a glance

Proper storage temperatures, shelf life, reconstitution best practices, and travel tips for lyophilized and reconstituted peptides.

Powder: Freezer
1+ year at -20°C
Reconstituted: Fridge
4 weeks max at 2-8°C
View Complete Storage Guide

Handling specifics

Educational overview on storage, labeling, and traceability considerations for lab environments. Consult primary literature and vendor documentation for specifics.

Powder storage (very stable)
  • Freezer (-20°C): 1+ year
  • Refrigerator (2-8°C): 1-3 months
  • Room temperature: 2-3 weeks (emergency only)
Reconstituted storage (fragile)
  • MUST refrigerate at 2-8°C
  • 4-week maximum shelf life
  • NEVER freeze after reconstitution
  • Use bacteriostatic water for multi-dose
Molecular Structure

KPV sequence

Click any residue to see its properties.

HydrophobicPolarAcidic (−)Basic (+)Special

Sequence-derived properties

Length
3 residues
Molecular weight
342.4 Da
backbone only
Avg hydrophobicity
-0.43
Kyte–Doolittle scale

Residue classes

Hydrophobic: 1 (33%)Basic (+): 1 (33%)Special: 1 (33%)

Net charge distribution

Positive1 (33%)
Neutral2 (67%)
Negative0 (0%)

Amino acid frequency

K×1P×1V×1

Modifications

  • α-MSH (11–13) tripeptide fragment

Sequence and properties provided for educational reference. Not for clinical dosing decisions.

  • Type: Tripeptide
    (3 amino acids (K-P-V))
  • Derived From: α-MSH
    (C-terminal fragment)
  • Target: NF-κB pathway
    (Anti-inflammatory)
  • Routes: Oral / Injectable
    (Gut or systemic)
Mechanism
KPV → NF-κB inhibition → ↓ IL-1β, IL-6, TNF-α → Reduced inflammation
KPV provides anti-inflammatory benefits of α-MSH without tanning effects. Research focuses on IBD, skin conditions, wound healing, and gut health.
Key takeaway: KPV offers targeted anti-inflammatory action for gut and skin conditions, making it popular for IBD, digestive issues, and inflammatory skin conditions.

FAQ

What is KPV?

KPV is a tripeptide (Lysine-Proline-Valine) derived from the C-terminus of alpha-melanocyte-stimulating hormone (α-MSH). It retains the potent anti-inflammatory and antimicrobial properties of α-MSH but without causing skin pigmentation changes. It's primarily researched for inflammatory conditions, gut health, and wound healing.

How does KPV reduce inflammation?

KPV inhibits NF-κB activation, a master regulator of inflammation. This reduces production of pro-inflammatory cytokines like IL-1β, IL-6, and TNF-α. It also decreases nitric oxide production and modulates immune cell activity. These mechanisms make it effective against various inflammatory conditions without immunosuppression.

What is KPV used for?

Research focuses on inflammatory bowel disease (IBD, Crohn's, ulcerative colitis), skin conditions (psoriasis, eczema, acne), wound healing, and general gut health. It's also studied for its antimicrobial properties against various pathogens. Many users report benefits for digestive issues and skin inflammation.

Can KPV be taken orally?

Yes, KPV is available as both injectable and oral formulations. Oral capsules may have lower systemic bioavailability but can provide direct effects on the gut lining, making them popular for IBD and digestive issues. Injectable KPV provides higher systemic levels for conditions affecting skin or other tissues.

Does KPV cause skin tanning like Melanotan?

No. Unlike its parent molecule α-MSH (and related peptides like Melanotan), KPV does not activate melanocortin-1 receptors responsible for pigmentation. The tripeptide fragment specifically retains anti-inflammatory activity while losing the tanning effect. This makes it suitable for those who want immune/anti-inflammatory benefits without skin color changes.

What are the side effects of KPV?

KPV is generally well-tolerated with minimal reported side effects. Possible effects include mild injection site reactions (if injectable), temporary digestive changes when starting oral KPV, and rarely mild headache. It has a good safety profile in research, though long-term human studies are limited.

How long does reconstituted peptide last?

Once mixed with bacteriostatic water, peptides remain stable for up to 4 weeks when refrigerated at 2-8°C (36-46°F). Unopened powder can last 1+ year in the freezer. Get our complete Storage & Travel Guide.

Is this peptide legal to purchase?

Peptides sold "for research purposes only" are legal to purchase in the US, but are not FDA-approved for human use outside of specific medical applications. Always consult a healthcare provider before use.

New to peptides?

Take our Peptide Match tool to find the best peptide for your goals. You can also read our Complete Guide to Peptides to learn the basics.

Scientific Sources

The following peer-reviewed studies and official resources provide additional scientific context for this peptide:

KPV Research Articles

dosing

KPV Dosage Chart: 500mcg AM, 5-On/2-Off Protocol

500mcg per injection = 10 units from a 10mg vial in 2mL. 5 days on, 2 off, 8-week cycles — plus the oral route for gut-targeted use.

guides

Klow Dosage & Frequency Chart: 80mg Protocol

4 peptides in one vial — but the math changes everything. Reconstitution, per-injection dosing, and why KPV makes this more than Glow.

side-effects

KPV Side Effects: Anti-Inflammatory Peptide Safety

Animal colitis models report clean safety. Community data adds mild injection-site reactions. Full safety breakdown.

side-effects

KLOW Blend Side Effects: Component Research Review

Injection-site reactions lead. Flushing from GHK-Cu and brief lethargy from KPV cluster in community reports. Full safety breakdown.

Compare KPV to alternatives

Side-by-side mechanism, dose, half-life, and vendor pricing.

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Disclosure: we may earn affiliate commission from qualifying purchases. Educational information only — not medical advice.