Chemistry data
- Class
- tripeptide
- Molecular weight
- 356.5 g/mol
- Sequence
- Lys-Pro-Val
- Half-life
- estimated short (minutes; limited pharmacokinetic data)
- Routes
- subcutaneous · oral · topical
- Studied doses
- subcutaneous 200–500 mcg/day
Limitless Life Nootropics — KPV
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Inflammation is the fire behind chronic complaints — and KPV takes aim at it with three amino acids. This fragment of alpha-melanocyte stimulating hormone is being studied for two things readers ask about most: calming inflammatory cytokine signaling, and strengthening the intestinal lining that keeps gut contents out of the blood.
Limitless Life Nootropics — KPV
Compound15Affiliate link — we may earn a commission at no extra cost to you. Research compounds are for laboratory use only.
Regulatory Status
- United States
- Research use only
- European Union
- Research use only
- United Kingdom
- Research use only
What is this compound?
KPV — Lys-Pro-Val — is a synthetic piece of alpha-melanocyte stimulating hormone, specifically the α-MSH 11-13 stretch. Three amino acids, molecular weight 356.5, yet a biological résumé that outgrows its size. The parent hormone coordinates pigmentation and immune responses; researchers isolated this fragment to test whether the anti-inflammatory talent survives alone.
How it works
Research indicates KPV may work by modulating inflammatory cytokine production, suppressing TNF-α and IL-6 — two loud alarm signals in the inflammatory cascade PMID: 18495773 . Quieting those messengers matters beyond symptoms, because chronic low-grade inflammation drives tissue damage over time. Studies also point to a second, complementary action: promoting intestinal epithelial barrier integrity, the single-cell wall separating gut contents from the bloodstream PMID: 18495773 .
- Modulation of inflammatory cytokine production (TNF-α, IL-6 suppression)
- Promotion of intestinal epithelial barrier integrity
Research Findings
Preclinical findings point to two headline applications: anti-inflammatory activity observed across research models PMID: 18495773 , and gut support — in animal models of injury, KPV appeared to help compromised intestinal barriers recover. Both threads converge on one question: whether a three-amino-acid fragment could eventually matter where inflammation and gut dysfunction overlap.
- anti-inflammatory preclinical
- gut-healing preclinical
Dosage Context Explained
In animal models of colitis and dermatitis, researchers used subcutaneous administration of 200–500 mcg/day PMID: 18495773 . Those figures describe what produced measurable effects in rodents under controlled conditions — a foundation for future study, not human guidelines, which remain undefined. How KPV behaves in people is the natural next question.
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- Administration Routes
- subcutaneous
- Range
- 200–500 mcg/day
animal colitis and dermatitis models
Reconstitution Calculator
Determine exactly how much bacteriostatic water to add and how many units to draw for your target dose.
Side Effects: Research Context
Available reports suggest a relatively benign profile: rare skin darkening — an echo of the parent hormone's pigment role — and transient nausea, both anecdotal. With no systematic surveillance in place, those sparse accounts are the whole visible picture. Formal characterization remains future work.
- skin darkening (melanogenic effect; rare)
- transient nausea (anecdotal)
Where to source
Research use only| Supplier | Commission | Use coupon | |
|---|---|---|---|
| Limitless Life Nootropics | 15% | Compound1515% off | Source research-grade KPV |
| Ascension Peptides | 20% + 10% lifetime | COMPOUNDGU10% off | Source research-grade KPV |
Affiliate link — we may earn a commission at no extra cost to you. Research compounds are for laboratory use only.
Limitless Life Nootropics — KPV
Compound15Affiliate link — we may earn a commission at no extra cost to you. Research compounds are for laboratory use only.
Frequently Asked Questions
Frequently Asked Questions
-
KPV is a synthetic tripeptide derived from alpha-melanocyte stimulating hormone — specifically the α-MSH 11-13 fragment. Researchers study it mainly for potential anti-inflammatory activity and support for intestinal barrier integrity in research models.
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Research suggests KPV may suppress inflammatory cytokines such as TNF-α and IL-6 while also promoting intestinal barrier integrity — calmer immune signaling paired with a sturdier gut lining.
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Preclinical studies indicate potential anti-inflammatory effects and support for gut healing in animal models. Human clinical validation hasn't happened yet — that's the key gap between lab data and real-world conclusions.
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Reports are rare and anecdotal: occasional skin darkening (a nod to the parent hormone's pigment role) and transient nausea. Systematic safety research in broader populations is still lacking.
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