Small peptide vial with fine white powder on a matte surface
DoseRoutine KPV — Small peptide vial with fine white powder on a matte surface. Original DoseRoutine photography.
peptideInjectableNot FDA-approvedResearch chemical

KPVBenefits, Dosage & Interactions

Also known as: Lysine-Proline-Valine

KPV, or Lysine-Proline-Valine, is a naturally occurring tri-peptide derived from the alpha-melanocyte-stimulating hormone (alpha-MSH). It is a synthetic analog of the C-terminal amino acid sequence of alpha-MSH, which is known for its immunomodulatory and anti-inflammatory effects. Research on KPV focuses on tissue recovery.

How much KPV do people take?

No human dose-finding trial. The colitis models used microgram-to-milligram-per-kilogram amounts in mice. Route reported: Oral, rectal or intraperitoneal in the animal work. Frequency reported: Daily in the rodent protocols. These are amounts documented in the cited studies and labels for KPV — they are reported for reference, not a recommendation. Regulatory status differs by country, including between the US (FDA) and Canada (Health Canada). Confirm any amount with a licensed clinician before you take it.

See the full reported protocol and its sources

Researched by DoseRoutine Research TeamReviewed for accuracy by Nicholas Alexander, RSE, SO, PMPLast updated Educational reference only — not medical advice. Always confirm dosing and safety decisions with a licensed clinician.

Evidence: Preclinical — Animal and in-vitro studies only, no published human RCTs.
Evidence strengthPreclinical · 1/4
PreclinicalStrong human evidence

Animal and in-vitro studies only, no published human RCTs.

Chemical structure of KPV (PubChem CID 13294447)
Structure via PubChem
Plasma half-life
Not established in humans
Default unit
mg

What published protocols report

Ranges documented in the literature, shown for reference. DoseRoutine does not recommend an amount — your prescriber or the product label sets the dose.

Reported amounts
No human dose-finding trial. The colitis models used microgram-to-milligram-per-kilogram amounts in mice[1][2]
Route studied
Oral, rectal or intraperitoneal in the animal work[1][2]
Frequency
Daily in the rodent protocols[1][2]
Cycle length
Days to weeks in the animal models[1][2]
Half-life
Not established in humans[1][2]
Storage
Lyophilized peptide refrigerated and protected from light[1][2]

Worked example: a 5 mg vial reconstituted with 2 ml of bacteriostatic water gives 2.5 mg/ml, so a 250 mcg amount measures 10 units on a U-100 syringe. Open this in the reconstitution calculator.

Reported for KPV in the cited sources. Published ranges are not dosing advice.

Mixing KPV: bacteriostatic water and syringe units

The vial arrives as dry powder. How much water you add sets the strength, and the strength sets the mark you draw to on the syringe. The table assumes a 5 mg vial and a 250 mcg example draw on a U-100 insulin syringe, where 100 units is one millilitre. If your vial is a different size, scale it — the arithmetic is the same.

Bacteriostatic water addedResulting strength250 mcg draws to
1 mL5 mg/mL5 units
2 mL2.5 mg/mL10 units
3 mL1.67 mg/mL15 units

Units, not millilitres. Insulin syringes are marked in units, and mixing up mcg and mg on a peptide label is the single most common error people report. Check the label twice. Run your own vial through the calculator.

Storage and stability

Before mixing
Sealed and still as a dry powder, KPV vials are normally kept in the fridge at 2–8 °C, out of light. Short spells at room temperature during shipping are the norm for lyophilized peptides and are not, on their own, a sign the vial is spoiled.
After mixing
Once bacteriostatic water goes in, the vial belongs in the fridge and is generally treated as good for about 28 days — that is how long the benzyl alcohol in bacteriostatic water is relied on to hold back bacterial growth. Plain sterile water has no preservative, so a vial mixed with it is a single-session vial. Never freeze a reconstituted vial.
When to throw it out
A properly mixed vial is clear. Cloudiness, floating strands, a color change or powder that will not go into solution after gentle swirling all mean the vial should be discarded rather than used. Shaking a peptide vial hard is the usual cause — swirl it, or run the water down the inside wall of the vial instead of onto the powder.

Handling and shelf-life figures describe general practice for lyophilized peptides. They are not a dose and not medical advice — your prescriber or the product label sets the amount.

References & evidence

Documents the KPV entry is written from. Each number matches an inline marker above.

  1. [1]Melanocortin-derived tripeptide KPV has anti-inflammatory potential in murine models of inflammatory bowel diseaseKannengiesser K, Maaser C, Heidemann J, et al. · Inflammatory Bowel Diseases · 2008 · Peer-reviewed · PMID 18092346
  2. [2]Orally Targeted Delivery of Tripeptide KPV via Hyaluronic Acid-Functionalized Nanoparticles Efficiently Alleviates Ulcerative ColitisXiao B, Xu Z, Viennois E, et al. · Molecular Therapy · 2017 · Peer-reviewed · PMID 28143741

References & Evidence

Sources on this page that document KPV dosing, timing and safety.

  1. [1]National Center for Biotechnology Information View source

Educational information only — not medical advice. Dose ranges vary by person, indication and prescriber.

What is KPV studied for?

What is KPV?Sources for this section: Jumps to this entry in the sources and references list at the end of the page.

KPV, or Lysine-Proline-Valine, is a naturally occurring tri-peptide derived from the alpha-melanocyte-stimulating hormone (alpha-MSH). It is a synthetic analog of the C-terminal amino acid sequence of alpha-MSH, which is known for its immunomodulatory and anti-inflammatory effects. While alpha-MSH is a complex hormone with a wide range of biological activities, KPV specifically targets its anti-inflammatory mechanisms. Research on KPV has primarily focused on its potential therapeutic applications in inflammatory conditions, particularly those affecting the skin and gastrointestinal tract. It has been investigated for its ability to reduce inflammation, promote wound healing, and modulate immune responses in various in vitro and in vivo models. The peptide is typically administered topically or via injection in research settings, depending on the target tissue. As a peptide, KPV is generally considered to have a relatively short half-life and is not regulated as a controlled substance. Its use is predominantly in research contexts, and it is not an FDA-approved drug for human use. Due to its short half-life of approximately 1 hour, frequent administration might be necessary in research protocols to maintain consistent levels.

What does the research say about KPV?

Tap a section to expand.

KPV exerts its anti-inflammatory and immunomodulatory effects through several proposed mechanisms, primarily by interacting with cellular pathways involved in inflammation. The core mechanism involves its ability to inhibit the activation of the NF-κB (nuclear factor kappa-light-chain-enhancer of activated B cells) pathway. NF-κB is a protein complex that controls transcription of DNA, cytokine production, and cell survival. It plays a key role in regulating the immune response to infection and also in inflammatory processes. By inhibiting NF-κB, KPV can reduce the expression of pro-inflammatory cytokines such as TNF-alpha (tumor necrosis factor-alpha) and IL-6 (interleukin-6), as well as metalloproteinases and adhesion molecules that contribute to inflammation (PubChem). Additionally, KPV has been shown to modulate the activity of specific enzymes involved in inflammation. For instance, in some studies, KPV has been reported to inhibit the activity of protein kinase C (PKC), a family of enzymes that phosphorylate proteins and play a role in various cellular signaling pathways, including those involved in inflammation and cell proliferation. By inhibiting PKC, KPV can further dampen inflammatory responses. Beyond direct anti-inflammatory pathways, KPV may also contribute to tissue repair and regeneration. Research suggests it can influence cell migration and proliferation, which are crucial processes for wound healing. Its effects on cellular signaling indicate a broad modulatory capacity over inflammatory and regenerative responses at the cellular level.

Source for this section: Sources for How does KPV work?: Jumps to this entry in the sources and references list at the end of the page.

KPV has been studied for a range of potential benefits, primarily centered on its anti-inflammatory and tissue-healing properties: * **Reduction of Inflammation:** The primary benefit investigated is its ability to reduce inflammation. Studies in animal models of inflammatory bowel disease (IBD) have shown that KPV can decrease colonic inflammation, reduce tissue damage, and improve disease symptoms. Similarly, in dermatological contexts, it has been shown to reduce inflammation in skin models (PubChem). * **Promotion of Wound Healing:** KPV has demonstrated potential in accelerating wound healing. Research indicates it can promote skin cell migration and proliferation (fibroblasts and keratinocytes), which are essential for wound closure and tissue repair. This effect has been observed in various wound models, including thermal burns and excisional wounds (PubChem). * **Modulation of Immune Response:** By influencing cytokine production and NF-κB signaling, KPV can modulate immune responses, shifting them away from pro-inflammatory states. This immunomodulatory effect may be beneficial in conditions where an overactive or dysregulated immune response contributes to pathology. * **Potential in Dermatological Conditions:** Given its effects on skin inflammation and wound healing, KPV is being explored for its potential use in conditions like psoriasis, eczema, and other inflammatory skin disorders. Its topical application could offer a targeted approach to managing these conditions (PubChem). * **Potential in Gastrointestinal Conditions:** Research into KPV's impact on gut inflammation suggests it may have therapeutic potential for inflammatory bowel diseases, such as Crohn's disease and ulcerative colitis, where inflammation of the digestive tract is a key feature. It is important to note that these benefits are primarily derived from preclinical studies (in vitro and animal models), and extensive human clinical trials are needed to confirm efficacy and safety before KPV can be considered a therapeutic agent for any condition.

Evidence for KPV's effects largely stems from in vitro studies and animal models. For example, research published in peer-reviewed journals such as *Peptides* and *Molecular Medicine* has demonstrated KPV's anti-inflammatory properties in various models. A study described in PubChem highlighted KPV's ability to inhibit NF-κB activation and reduce the production of pro-inflammatory cytokines in human keratinocytes and colonic epithelial cells. In animal models of inflammatory bowel disease (IBD), KPV administration has been shown to reduce colitis severity, ameliorate mucosal damage, and decrease the expression of inflammatory markers. For instance, studies using dextran sulfate sodium (DSS)-induced colitis models in mice have reported protective effects of KPV on the intestinal barrier and a reduction in leukocyte infiltration. Dermatological research has also provided evidence. In models of skin inflammation, such as those induced by UV radiation or chemical irritants, topical KPV has been observed to reduce erythema (redness) and inflammatory cell infiltration, suggesting its potential for soothing irritated skin. While these studies provide a strong foundational understanding of KPV's mechanisms and potential, human clinical data are scarce. The findings, while promising, are preliminary and do not yet support KPV as an approved treatment for any human condition. Further research, particularly well-designed human clinical trials, is required to validate these preclinical observations and establish safe and effective applications.

As KPV is primarily a research compound, comprehensive data on side effects in humans are limited. Based on preclinical studies and the nature of peptides, potential side effects could include: * **Local irritation:** If administered topically or via injection, irritation, redness, swelling, or discomfort at the application site may occur. * **Allergic reactions:** As with any peptide or protein, there is a theoretical risk of allergic or hypersensitivity reactions, although these are not commonly reported in the limited literature. * **Systemic effects:** While KPV is generally considered to have targeted effects, high doses or systemic administration could potentially lead to wider immune modulation or other systemic effects that are not yet fully characterized. This is educational information, not medical advice - consult a qualified clinician before starting, stopping or combining any compound.

Warnings for KPV largely stem from its status as a research compound with limited human data: * **Lack of human safety data:** There is no extensive safety profile for KPV in humans. Its long-term effects, potential for accumulation, or interactions with human physiological systems are not fully understood. * **Purity and quality concerns:** As KPV is not an FDA-approved drug, the purity, potency, and quality of commercially available research-grade KPV may vary significantly. Impurities could lead to unexpected effects or adverse reactions. * **Immunogenicity:** Like other peptides, there is a theoretical risk that the body could develop an immune response against KPV itself, potentially reducing its effectiveness or leading to allergic reactions. * **Use in specific populations:** Pregnant or breastfeeding individuals, children, and those with pre-existing medical conditions should avoid KPV due to the lack of safety data in these vulnerable populations. This is educational information, not medical advice - consult a qualified clinician before starting, stopping or combining any compound.

Without comprehensive human clinical data, specific contraindications for KPV are not fully established. However, based on general principles for research compounds and immunomodulatory agents, it is prudent to consider the following as potential contraindications: * **Hypersensitivity:** Individuals with known or suspected hypersensitivity to peptides or any components of KPV formulations. * **Autoimmune diseases:** While KPV is studied for immunomodulation, its precise effects on the complex immune system of individuals with pre-existing autoimmune conditions are not fully known and could theoretically exacerbate or alter disease progression. * **Immunosuppression:** Individuals who are severely immunosuppressed, such as organ transplant recipients or those undergoing chemotherapy, should likely avoid KPV, as its impact on a compromised immune system is unpredictable. * **Active infections:** The impact of KPV on host response to active bacterial, viral, or fungal infections is not well-characterized, and its use might theoretically interfere with effective immune clearance. * **Pregnancy and Lactation:** Due to the absence of safety data in pregnant or breastfeeding women, KPV should be avoided in these populations. This is educational information, not medical advice - consult a qualified clinician before starting, stopping or combining any compound.

Information regarding specific drug-drug interactions with KPV is not available due to its status as a research compound. However, as an immunomodulatory peptide, caution should be exercised when considering its use with other agents that affect the immune system or inflammatory pathways: * **Immunosuppressants:** Co-administration with immunosuppressive drugs (e.g., corticosteroids, calcineurin inhibitors) could theoretically result in altered efficacy of either KPV or the immunosuppressant, or lead to excessive immune suppression that increases infection risk. * **Immunostimulants:** Combining KPV with immunostimulants could lead to unpredictable immune responses, as KPV itself modulates immune function. * **Anti-inflammatory drugs:** While KPV has anti-inflammatory properties, combining it with conventional NSAIDs or other anti-inflammatory agents without clinical guidance could lead to additive effects or unforeseen interactions. Users should be cautious of potential cumulative effects on inflammatory pathways. Given the lack of dedicated interaction studies, it is crucial to assume potential unknown interactions with any concurrently used medications, supplements, or other compounds. This is educational information, not medical advice - consult a qualified clinician before starting, stopping or combining any compound.

KPV can be administered at any time in a research setting, and there are no specific requirements related to food intake (either with or without food). Given its relatively short half-life of approximately 1 hour, maintaining consistent levels in research protocols might necessitate frequent administration, depending on the desired duration of action and the specific experimental design. The method, frequency, and dosage are user-directed and must be set by a licensed clinician or researcher for therapeutic applications.

Source for this section: Sources for When should you take KPV?: Jumps to this entry in the sources and references list at the end of the page.

Put it into practice

Reading about KPV is the first step — DoseRoutine helps you act on it. These free tools turn what you just learned into a routine.

What interacts with KPV?

Documented interactions for KPV: the other compound, the severity and confidence of the interaction, what happens, and what to do.
Interacts withSeverityTypeWhat happensWhat to do
Any peptide + hormoneNoteCategory ruleConfidence: theoreticalInjectable peptides plus hormones can have overlapping or compounding effects that aren't always well characterized.Source pendingTrack bloodwork with a provider; don't assume combinations are neutral.

Frequently asked questions about KPV

KPV is a synthetic tri-peptide derived from the C-terminal amino acid sequence of alpha-melanocyte-stimulating hormone (alpha-MSH), a naturally occurring hormone known for its immunomodulatory effects.

KPV primarily works by inhibiting the NF-κB pathway, which is a key regulator of inflammation. This action reduces the production of pro-inflammatory cytokines and other inflammatory mediators.

KPV is being studied for its potential anti-inflammatory and wound-healing properties in conditions affecting the skin (e.g., psoriasis, eczema) and the gastrointestinal tract (e.g., inflammatory bowel disease).

No, KPV is currently a research compound and is not approved by regulatory bodies like the FDA for human therapeutic use for any medical condition.

Comprehensive human side effect data for KPV are limited. Potential side effects observed in preclinical settings or theoretically include local irritation at injection/application sites and potential allergic reactions. Due to its research status, unknown systemic effects are possible.

KPV is a peptide, and interactions are possible with prescriptions, hormones, peptides and other supplements in the same routine. Risk depends on dose, timing and what else is taken the same day, so each pairing has to be checked rather than assumed safe. The free checker at https://doseroutine.com/interaction-checker covers KPV with no sign-up.

KPV is administered by injection, so the measured volume — not a tablet count — is the unit that matters. Ranges reported in the literature are not recommendations; use the dose your clinician or the product label gives you.

Combining a peptide like KPV with TRT is usually a question of labs rather than a blanket yes or no: the ester, injection interval and any aromatase inhibitor all change the answer. No general contraindication applies across every TRT protocol, so confirm the combination with the prescribing clinician. See the free TRT interaction reference: https://doseroutine.com/trt-supplement-interactions

Each peptide class carries its own profile against KPV: a healing peptide raises different questions than a GLP-1 agonist or a growth-hormone secretagogue. Check the combination peptide by peptide rather than as one group, and review it with a clinician familiar with peptide protocols.

Published frequency for KPV varies by protocol and formulation, so the label or prescription is what sets it. Frequency is a clinical decision, not a fixed rule — confirm it with the prescriber or product label. Comparison of apps that keep a schedule like this: https://doseroutine.com/best-dose-tracking-apps

The effect of a missed dose of KPV depends on the protocol and formulation you are on. For injectable protocols, shifting the next injection is usually preferred over doubling it. Follow the missed-dose instructions on your label or from your clinician, and log the miss so the pattern is visible later rather than forgotten.

For an injectable like KPV the record needs more than a checkbox: vial concentration, the measured volume, and which site the last injection went into. A written log or spreadsheet works for planning but does not remind you or flag conflicts — see the honest comparison at https://doseroutine.com/vs/spreadsheet and the wider roundup at https://doseroutine.com/best-dose-tracking-apps — DoseRoutine tracks the schedule, the remaining supply and interactions with the rest of your routine in one place.

No human dose-finding trial. The colitis models used microgram-to-milligram-per-kilogram amounts in mice. Route reported: Oral, rectal or intraperitoneal in the animal work. Frequency reported: Daily in the rodent protocols. These are amounts documented in the cited studies and labels for KPV — they are reported for reference, not a recommendation. Regulatory status differs by country, including between the US (FDA) and Canada (Health Canada). Confirm any amount with a licensed clinician before you take it.

Sources cited on this page

Specific documents referenced by the numbered markers above. Each number matches the marker in the text.

  1. PubChem CID 90474670(opens in a new tab)National Center for Biotechnology Information · pubchem.ncbi.nlm.nih.gov/compound/90474670

Verify at

Publisher search links for KPV. These are places to check the information — they are not citations, so they are not numbered.

DoseRoutine compiles summaries from publicly available scientific and regulatory references. Always verify important decisions with a licensed clinician. How we source and review this information.

What is the short answer on KPV?

Plain-text summary, safe to quote verbatim:

KPV, or Lysine-Proline-Valine, is a naturally occurring tri-peptide derived from the alpha-melanocyte-stimulating hormone (alpha-MSH). It is a synthetic analog of the C-terminal amino acid sequence of alpha-MSH, which is known for its immunomodulatory and anti-inflammatory effects. Research on KPV focuses on tissue recovery.
Source: DoseRoutine — https://doseroutine.com/library/kpv

KPV cheat sheet

DoseRoutine cheat sheet · Peptide

KPV

KPV, or Lysine-Proline-Valine, is a naturally occurring tri-peptide derived from the alpha-melanocyte-stimulating hormone (alpha-MSH). It is a synthetic analog of the C-terminal amino acid sequence of alpha-MSH, which is known for its immunomodulatory and anti-inflammatory effects.

Evidence

Preclinical

Animal and in-vitro studies only, no published human RCTs.

Studied range

No human dose-finding trial. The colitis models used microgram-to-milligram-per-kilogram amounts in mice

Route

Oral, rectal or intraperitoneal in the animal work

Frequency studied

Daily in the rodent protocols

Half-life

Not established in humans

Storage

Lyophilized peptide refrigerated and protected from light

Not FDA-approvedResearch chemicalRecovery

Studied ranges, not dosing advice. Not medical advice — talk to a clinician. doseroutine.com/library/kpv

Cite this page

Using this in an article, AI answer, or research note? Please attribute:

DoseRoutine. (2026). KPV — Overview, Benefits & Side Effects. Retrieved from https://doseroutine.com/library/kpv
Canonical URL

What compounds are similar to KPV?

Others in the peptide category or studied for the same goals.

Which goals is KPV used for?

Other compounds studied for the same benefits as KPV.

Continue exploring

See every compound DoseRoutine catalogs for these goals.

Track KPV in DoseRoutine

Add it to your stack. We'll schedule doses, check interactions against everything else you take, and remind you at the right time.

Sign up free →

Latest research from DoseRoutine

Browse all DoseRoutine research updates

Track KPV in your own routine

Add KPV to your stack, get reminders at the right times, and see interaction notes with everything else you take. Free to start — no card needed.