KPV
A small peptide derived from a hormone that regulates skin color. It keeps the strong anti-inflammatory and immune-balancing effects of the full hormone without causing skin tanning or sexual side effects. One of the cleanest anti-inflammatory peptides available, and it works when taken by mouth, injected, or applied to the skin. People use it for gut inflammation, skin conditions, and general inflammation.
Dosage
200-500 mcg subcutaneous daily, or oral for gut conditions
Dosages shown are for research reference only. Always consult a qualified healthcare provider.
Administration
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Effects
Anti-Inflammatory
Direct NF-kappaB inhibition shuts down inflammatory cascade at master regulatory level.
Gut Inflammation
Particularly promising for IBD — reaches intestinal epithelium when taken orally.
Skin Conditions
May help with inflammatory skin conditions through targeted anti-inflammatory action.
Mechanism of Action
KPV is a tripeptide (Lys-Pro-Val) derived from the C-terminal end of alpha-melanocyte stimulating hormone (α-MSH), specifically residues 11-13. While the full α-MSH molecule exerts anti-inflammatory effects primarily through melanocortin receptor activation (particularly MC1R), KPV achieves its anti-inflammatory activity through a distinct, receptor-independent mechanism that does not produce the tanning or sexual side effects associated with melanocortin receptor activation.
KPV's primary mechanism is direct inhibition of the NF-κB inflammatory signaling pathway. It enters cells (possibly through peptide transporters or direct membrane penetration due to its small size) and interacts with the IKK complex (IκB kinase), preventing the phosphorylation and subsequent proteasomal degradation of IκBα. When IκBα remains intact, it sequesters the NF-κB transcription factor (p65/p50 dimer) in the cytoplasm, preventing its nuclear translocation. This blocks transcription of a wide array of pro-inflammatory genes including TNF-α, IL-1β, IL-6, IL-8, COX-2, and iNOS — effectively shutting down the inflammatory cascade at a master regulatory level.
This mechanism makes KPV particularly interesting for inflammatory conditions of the gut and skin, where NF-κB activation drives chronic inflammation. In intestinal epithelial cells, KPV reduces inflammatory cytokine production and may help restore barrier function in conditions like inflammatory bowel disease (IBD). Topically, it suppresses cutaneous inflammation in models of contact dermatitis and psoriasis. The oral bioavailability of KPV — unusual for peptides — is attributed to its small size (only 3 amino acids) and resistance to gastrointestinal proteases, allowing it to reach the intestinal epithelium intact when taken orally. This clean anti-inflammatory profile without melanocortin receptor side effects makes KPV a focused anti-inflammatory tool.
Regulatory Status
Not FDA approved. Research peptide with growing interest for IBD and skin inflammation. Available through compounding pharmacies.
Risks & Safety
Common
injection site irritation, mild flushing.
Serious
limited human safety data.
Rare
allergic reactions, theoretical risk of weakening the immune system with long-term high doses.
Compare KPV With
Research Papers
15Published: January 15, 2026
AI Summary
Oral delivery of peptide therapeutics remains challenging due to gastrointestinal (GI) degradation and poor intestinal absorption. Here, we propose a self-immolative peptide prodrug conjugate (SIPPC) platform for inflammation-targeted oral delivery, integrating a hydrophilic polyethylene glycol segment, a reactive oxygen species (ROS)-responsive hydrophobic self-immolative module, and a hydroly...
Published: December 12, 2025
AI Summary
Inflammatory bowel diseases (IBDs) are chronic disorders affecting the gastrointestinal tract, causing severe inflammation and tissue damage. Current treatments often have adverse effects, underscoring the need for alternatives. This article is a short review of host defense peptides (HDPs), which have emerged as promising candidates for IBDs because of their antimicrobial and immunomodulatory ...
Published: September 30, 2025
AI Summary
Wound healing is a complex and dynamic process that requires the coordination of cellular, molecular, and physiological events to restore tissue integrity. Despite notable advances in treatment strategies, optimizing healing outcomes, particularly in chronic wounds, remains a major challenge. Emerging evidence highlights the therapeutic promise of peptides, especially tripeptides, in accelerati...
Published: February 10, 2026
AI Summary
NLRP3 functions as a critical intracellular danger sensor for inflammasome activation, playing a crucial role in autoimmune diseases. Vitiligo progression has been linked to NLRP3, yet its specific involvement in melanocytes of vitiligo remains poorly understood. In this study, we demonstrate that NLRP3 expression is significantly upregulated in the melanocytes of vitiligo patients and melanoma...
Published: March 31, 2025
AI Summary
This study compared the efficacy and safety of two highly purified (HP) human menopausal gonadotropin (hMG) preparations, Gynogen HP and Menopur, in women undergoing controlled ovarian stimulation (COS) for in vitro fertilization (IVF). A multicenter, randomized, active-controlled noninferiority comparative study was conducted between 2019 and 2021. Women aged 21-40 undergoing COS for their fir...
Published: August 5, 2025
AI Summary
Airborne particulate matter (PM) poses a major environmental risk that impairs skin health by triggering oxidative stress, inflammation, and cell death. In this study, we investigated the protective effects of Lysine-Proline-Valine (KPV)-an endogenous peptide derived from α-melanocyte-stimulating hormone-against oxidative damage and inflammation induced by fine PM (PM10) in human HaCaT keratino...
Published: December 9, 2024
AI Summary
Cardiovascular disease (CVD) is a leading cause of death globally, and vascular calcification (VC) is an important independent risk factor for predicting CVD. Currently, there are no established therapeutic strategies for the treatment of VC. Although recognized combination therapies of nanomedicines can provide effective strategies for disease treatment, the clinical application of nanomedicin...
Published: August 14, 2024
AI Summary
Inflammatory bowel disease (IBD), as a chronic and recurrent inflammatory bowel diseases with limited therapeutic outcomes, is characterized by immune disorders and intestinal barrier dysfunction. Currently, the most medications used to cure IBD in clinic just temporarily induce and maintain remission with poor response rates and limited outcomes. Therefore, it is urgently necessary to develop ...
Published: February 13, 2024
AI Summary
The pathogenesis of ulcerative colitis (UC) is associated with the shedding of the gut mucus. Herein, inspired by the biological functions of mucus, growth factors-loaded in situ hydrogel (PHE-EK) was designed for UC treatment by integrating dihydrocaffeic acid-modified poloxamer as a thermosensitive material with hyaluronic acid (colitis-specific adhesive), epigallocatechin-3-gallate (antibact...
Published: February 10, 2024
AI Summary
Current treatments for inflammatory bowel disease (IBD) treatment consist of anti-inflammatory products. In this study, we sought to induce the physiological secretion of glucagon-like peptide 2, a peptide with intestinal growth-promoting activity, via nanoparticles while simultaneously providing with immunomodulation by tailoring the nanoparticle surface. To this end, we developed hybrid lipid...
Published: July 18, 2023
AI Summary
The melanocortin system is a complex set of molecular mediators and receptors involved in many physiological and homeostatic processes. These include the regulation of melanogenesis, steroidogenesis, neuromodulation and the modulation of inflammatory processes. In the latter context, the system has assumed importance in conditions of chronic digestive inflammation, such as inflammatory bowel di...
Published: November 30, 2022
AI Summary
The general treatment of diabetic wound was use of wound dressings to absorb excess exudate. However, traditional wound dressings neither mimic the skin-like properties nor easily be withdrawn from the wound. Herein, the skin-adaptive three-layered films (AGB) dressing has been designed by alternatively depositing phenylboronic acid-grafted γ-PGA (PBA-PGA) and polyvinyl alcohol (PVA).
Published: July 13, 2022
AI Summary
Neonatal hypoxic-ischemic encephalopathy is an important cause of death as well as long-term disability in survivors. Erythropoietin has been hypothesized to have neuroprotective effects in infants with hypoxic-ischemic encephalopathy, but its effects on neurodevelopmental outcomes when given in conjunction with therapeutic hypothermia are unknown..
Published: April 14, 2022
AI Summary
Ulcerative colitis (UC) usually occurs in the superficial mucosa of the colorectum. Here, a double-network hydrogel (PMSP) was constructed from maleimided γ-polyglutamic acid and thiolated γ-polyglutamic acid through crosslinking of thiol-maleimide and self-oxidized thiols. PMSP with a negative charge specifically adhered to the inflamed mucosa with positively charged proteins rathe...
Published: October 10, 2021
AI Summary
KPV (Lys-Pro-Val), which is a tripeptide derived from α-MSH (α-melanocyte-stimulating hormone), has an anti-inflammatory effect on colitis. However, KPV solution is very unstable when rectally administered, compromising its therapeutic efficacy. Herein, cysteamine-grafted γ-polyglutamic acid (SH-PGA) was synthesized by conjugating cysteamine with the carboxyl groups of γ-PGA.
Frequently Asked Questions
What is KPV?
A small peptide derived from a hormone that regulates skin color. It keeps the strong anti-inflammatory and immune-balancing effects of the full hormone without causing skin tanning or sexual side effects. One of the cleanest anti-inflammatory peptides available, and it works when taken by mouth, injected, or applied to the skin. People use it for gut inflammation, skin conditions, and general inflammation.
What is KPV used for?
A small peptide derived from a hormone that regulates skin color. It keeps the strong anti-inflammatory and immune-balancing effects of the full hormone without causing skin tanning or sexual side effects. One of the cleanest anti-inflammatory peptides available, and it works when taken by mouth, injected, or applied to the skin. People use it for gut inflammation, skin conditions, and general inflammation.
What is the dosage for KPV?
Standard: 200-500 mcg subcutaneous once daily. Also used orally for gut inflammation or topically for skin conditions. Often cycled 4-8 weeks on, 2-4 weeks off.
What are the side effects of KPV?
Common: injection site irritation, mild flushing. Serious: limited human safety data. Rare: allergic reactions, theoretical risk of weakening the immune system with long-term high doses.
How does KPV work?
KPV is a tripeptide (Lys-Pro-Val) derived from the C-terminal end of alpha-melanocyte stimulating hormone (α-MSH), specifically residues 11-13. While the full α-MSH molecule exerts anti-inflammatory effects primarily through melanocortin receptor activation (particularly MC1R), KPV achieves its anti-inflammatory activity through a distinct, receptor-independent mechanism that does not produce the tanning or sexual side effects associated with melanocortin receptor activation. KPV's primary mechanism is direct inhibition of the NF-κB inflammatory signaling pathway. It enters cells (possibly through peptide transporters or direct membrane penetration due to its small size) and interacts with the IKK complex (IκB kinase), preventing the phosphorylation and subsequent proteasomal degradation of IκBα. When IκBα remains intact, it sequesters the NF-κB transcription factor (p65/p50 dimer) in the cytoplasm, preventing its nuclear translocation. This blocks transcription of a wide array of pro-inflammatory genes including TNF-α, IL-1β, IL-6, IL-8, COX-2, and iNOS — effectively shutting down the inflammatory cascade at a master regulatory level. This mechanism makes KPV particularly interesting for inflammatory conditions of the gut and skin, where NF-κB activation drives chronic inflammation. In intestinal epithelial cells, KPV reduces inflammatory cytokine production and may help restore barrier function in conditions like inflammatory bowel disease (IBD). Topically, it suppresses cutaneous inflammation in models of contact dermatitis and psoriasis. The oral bioavailability of KPV — unusual for peptides — is attributed to its small size (only 3 amino acids) and resistance to gastrointestinal proteases, allowing it to reach the intestinal epithelium intact when taken orally. This clean anti-inflammatory profile without melanocortin receptor side effects makes KPV a focused anti-inflammatory tool.
How is KPV administered?
KPV is administered via subcutaneous injection, oral, or topical.
What is the half-life of KPV?
The half-life of KPV is 0.5-1 hours.
Is KPV legal?
Not FDA approved. Research peptide with growing interest for IBD and skin inflammation. Available through compounding pharmacies.
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