The Peptide Reference
The Peptide Reference
References
Reference/Tripeptide

KPV

Anti-Inflammatory Tripeptide · Alpha-MSH Fragment

Animal in vivo
research use only

KPV is a potent anti-inflammatory tripeptide derived from the C-terminal of alpha-MSH. It exhibits remarkable anti-inflammatory and antimicrobial properties without the pigmentation effects of full α-MSH, making it ideal for inflammation management.

Systemic anti-inflammatory effectsNo pigmentation/tanning effectsImmune modulation without immunosuppressionPotential for autoimmune conditions
01

Overview

KPV is a potent anti-inflammatory tripeptide derived from the C-terminal of alpha-MSH. It exhibits remarkable anti-inflammatory and antimicrobial properties without the pigmentation effects of full α-MSH, making it ideal for inflammation management.

Enters cells and inhibits inflammatory pathways at the nuclear level, particularly NF-κB signaling. Reduces pro-inflammatory cytokines (TNF-α, IL-6) without causing immunosuppression like steroids.

Evidence profilederived from 5 references
C
Animal in vivo
Strongest design among the references on this page. Grade and effect size are separate facts and are never merged into one score.
02

Research indications

What the compound has been studied for, grouped by body system. Effect size is the reported magnitude where it was measured — not a recommendation.

Inflammation3
Systemic Inflammation

Reduces TNF-α and IL-6 through NF-κB pathway inhibition.

Large
Autoimmune Modulation

May help balance overactive immune responses in autoimmune conditions.

Moderate
Joint Inflammation

Potential benefits for inflammatory arthritis through cytokine reduction.

Moderate
Gut Health3
IBD Support

Demonstrated benefit in Crohn's disease and ulcerative colitis models.

Moderate
Intestinal Barrier Repair

Helps restore intestinal barrier function.

Moderate
Microbiome Balance

Selective antimicrobial activity preserves beneficial gut bacteria.

Small
Skin Health2
Psoriasis/Dermatitis

Topical KPV reduced psoriatic markers by 60% and improved skin barrier function.

Moderate
Skin Inflammation

Reduces inflammatory skin conditions without systemic effects.

Moderate
i

A large effect in a weak study and a small effect in a strong one are different things. Effect size is never evidence of use in people.

Quick factsreference only
Class
Tripeptide
Chain length
3 residues
Half-life
~1.5 h
Typical dose
200-500 mcg per injection
Frequency
1-2 times daily (once for maintenance, twice for active inflammation)
Cycle length
4-8 weeks
Storage
Lyophilized: Room temperature. Reconstituted: 2-8°C, refrigerate immediately
03

Molecular data

Type
Tripeptide
Chain length
3 residues
Half-life
90 min
04

Dosing reference

Doses reported in the literature and by suppliers. These are a record of what has been used in research — reference, never instruction.

ContextRouteAmountFrequency
General anti-inflammatorySubQ200-300mcgOnce daily
Active inflammationSubQ250mcgTwice daily
Autoimmune supportSubQ500mcgOnce daily
Acute flare-upsSubQ500mcg2x daily for 1 week, then reduce
Gut health supportMix in water/juice or enteric capsules200-500mcg2-3x daily
Skin inflammationAffected skin areas0.1-0.5% cream/gel2-3x daily
Systemic anti-inflammatoryNasal spray100-300mcg2-3x daily (1-2 sprays per nostril)
05

Interactions

BPC-157

Enhanced gut healing and anti-inflammatory effects through complementary mechanisms.

synergistic
TB-500

Different mechanisms; can be combined safely.

compatible
LL-37

Complementary antimicrobial and healing effects.

synergistic
Thymosin Alpha-1

Both support immune function through different pathways.

compatible
GHK-Cu

Synergistic for skin health and regeneration.

synergistic
Melanotan II

Both are α-MSH related; KPV lacks pigmentation effects but monitor for cumulative effects.

monitor
06

Quality checklist

  • High purity >98%
  • Clear, colorless solution after reconstitution
  • Stable small peptide structure
  • Certificate of analysis available
  • !pH should be 5.5-7 for optimal stability
  • ×Visible particles indicate contamination/degradation
  • ×Yellow coloration indicates oxidation/potency loss
07

What to expect

Days 1-3Subtle reduction in inflammation, improved energy
Week 1Noticeable decrease in inflammatory symptoms
Week 2-3Improved gut function (if applicable), reduced pain/swelling
Week 4Significant improvement in inflammatory markers
Week 6-8Sustained benefits, improved quality of life
08

Safety

Commonly reported4
  • Minimal to no side effects reported
  • Does not cause immunosuppression like steroids
  • No melanin production/tanning effects
  • May temporarily reduce inflammation-related symptoms
Stop and seek advice5
  • Signs of infection (fever, chills) - very rare
  • Severe injection site reactions
  • Paradoxical inflammation increase
  • Allergic reaction symptoms
  • Unusual fatigue or weakness
Contraindications3
  • Known peptide allergies
  • Active severe infections (theoretical)
  • Pregnancy or breastfeeding (limited data)
09

FAQ

Is KPV the same as alpha-MSH or melanotan?

No. KPV is the C-terminal tripeptide fragment of alpha-MSH, not the full hormone. Unlike melanotan, KPV provides anti-inflammatory benefits without causing melanin production or tanning. It's inflammation-focused, not pigmentation-focused.

Can I take KPV orally?

Yes. KPV is one of the few peptides with demonstrated oral bioavailability. It's transported into intestinal cells via PepT1 transporters, making oral capsules or dissolved powder viable alternatives to injection for gut health applications.

How quickly does KPV reduce inflammation?

Effects appear quickly—many users notice reduced inflammation within 1-3 days of starting. By week 1-2, inflammatory symptoms (joint pain, swelling, gut issues) typically show noticeable improvement. Full effects across inflammatory markers appear by week 4-6.

Can I use KPV for autoimmune conditions?

KPV shows promise for autoimmune modulation by reducing pro-inflammatory cytokines (TNF-α, IL-6) without causing immunosuppression. It may help balance overactive immune responses in conditions like Crohn's disease, but requires medical supervision and cannot replace standard treatments.

10

References

  1. 1
    Dissection of the Anti-Inflammatory Effect of the Core and C-Terminal (KPV) Alpha-Melanocyte-Stimulating Hormone Peptides
    Getting, S.J., Schiöth, H.B., Perretti, M. · Journal of Pharmacology and Experimental Therapeutics · 2003

    Established that KPV exerts anti-inflammatory effects distinct from core MSH peptides, likely through inhibition of IL-1β functions rather than melanocortin receptor signaling.

  2. 2
    PepT1-mediated tripeptide KPV uptake reduces intestinal inflammation
    Dalmasso G, Charrier-Hisamuddin L, Nguyen HT, et al. · Gastroenterology · 2008

    KPV inhibits NF-κB activation and reduces intestinal inflammation via PepT1-mediated transport; demonstrated anti-inflammatory effects in murine IBD models.

  3. 3
    Melanocortin-Derived Tripeptide KPV Has Anti-Inflammatory Potential in Murine Models of Inflammatory Bowel Disease
    Kannengiesser, K., et al. · Inflammatory Bowel Diseases · 2008

    KPV showed significant anti-inflammatory effects in DSS colitis and CD45RBhi transfer colitis models, reducing weight loss, histological damage, and MPO activity. Effects partially independent of MC1R signaling.

  4. 4
    Critical Role of PepT1 in Promoting Colitis-Associated Cancer and Therapeutic Benefits of KPV
    Viennois, E., et al. · Cellular and Molecular Gastroenterology and Hepatology · 2016

    PepT1 is highly expressed in human colorectal tumors. PepT1-transported KPV prevented colitis-associated carcinogenesis in wild-type mice, with no effect in PepT1-knockout mice, confirming PepT1-dependent therapeutic mechanism.

  5. 5
    Orally Targeted Delivery of Tripeptide KPV via Hyaluronic Acid-Functionalized Nanoparticles Efficiently Alleviates Ulcerative Colitis
    Xiao, B., et al. · Molecular Therapy · 2017

    HA-functionalized KPV nanoparticles (~272.3 nm) successfully targeted colonic epithelial cells and macrophages, exerting combined mucosal healing and anti-inflammatory effects superior to free KPV in a UC mouse model.

For research use only. Nothing on this page is medical advice, and no number here is a recommendation to dose.