COA included with every batch

Overview

What it is.

KPV is a tripeptide fragment of alpha-melanocyte-stimulating hormone, studied mainly for anti-inflammatory activity in gut-related research models.

Research Areas

  • Studied for its potential role in anti-inflammatory-signaling research
  • Studied in gut-related research models
  • Studied as a fragment of alpha-MSH, a broader immune- and pigment-related research target

Batch & Testing

Proof, not promises.

COA ships with every order

The Certificate of Analysis for your batch ships in the box with your order. We're publishing the certificate archive here next.

See How Testing Works

Research Deep-Dive

How it works.

KPV is a tripeptide fragment — lysine-proline-valine — derived from alpha-melanocyte-stimulating hormone (alpha-MSH). It retains alpha-MSH's anti-inflammatory activity without the pigmentation effects, and is studied mainly in gut-inflammation research models.

Unlike full-length alpha-MSH, KPV does not require a functional melanocortin receptor to act — it appears to work intracellularly, inhibiting NF-κB and MAP-kinase inflammatory signaling directly, and is transported into intestinal cells via the PepT1 transporter, which is notably upregulated during intestinal inflammation.

Use Cases Explored

  • Studied for a potential role in anti-inflammatory signaling
  • Studied in gut-inflammation (colitis) research models
  • Studied as a fragment of alpha-MSH, a broader immune- and pigment-related hormone

The Evidence

Rodent colitis models

KPV has reduced disease activity, inflammatory cytokine levels, and tissue-injury scores in both DSS- and TNBS-induced colitis in mice, including when given orally — suggesting gastrointestinal stability that's notable for a peptide, though this is animal, not human, evidence.

Mechanistic cell-culture studies

Studies in human gut and bronchial epithelial cell lines have identified how KPV blocks NF-κB signaling at a molecular level (competitively blocking a nuclear-import step), providing a plausible mechanism for the effects seen in animal models.

Human clinical trial data — none completed

No completed human randomized controlled trial has tested KPV as a standalone treatment; the evidence base remains entirely preclinical (rodent models and cultured human cells), and it is not approved as a drug for any indication.

2026 regulatory developments

KPV-related substances received a favorable Pharmacy Compounding Advisory Committee recommendation in July 2026 for possible future 503A bulks-list inclusion, but that is an advisory recommendation, not FDA authorization, and final rulemaking remains pending.

Specifications

The essentials.

Form
Lyophilized powder
Storage
Store in a cool, dry place. Refrigerate at 2–8°C after reconstitution
Shelf life
24 months lyophilized; 4–6 weeks refrigerated after reconstitution
Solubility
Reconstitute with bacteriostatic water
Vial capacity
3 ml glass vial

Questions

KPV FAQ

What is KPV studied for?+

KPV is studied for its potential role in anti-inflammatory-signaling research, mainly in gut-related research models, as a fragment of the broader alpha-MSH immune- and pigment-related research target.

What is KPV derived from?+

It's a tripeptide fragment of alpha-melanocyte-stimulating hormone (alpha-MSH), isolated for the segment researchers associate with anti-inflammatory activity.

How should KPV be handled and stored?+

It ships as a lyophilized powder. Reconstitute with bacteriostatic water and refrigerate at 2–8°C after mixing — good for roughly 4–6 weeks refrigerated, or up to 24 months unreconstituted in a cool, dry place.

What testing does this batch undergo?+

Every batch is HPLC tested for purity and identity, plus sterility and endotoxin screening, before release. The Certificate of Analysis for that lot ships with your order.

Neuro

KPV

Lysine-Proline-Valine

A small fragment of alpha-MSH studied for anti-inflammatory-signaling research.

$40· $8.00/mg

Size

Multi-vial pricing

Per-vial pricing, applied automatically. No code needed.

Ships within 24 hours · $20 flat shipping · Free over $200

Pay simply and securely via Zelle or Apple Pay (Apple Cash) — instructions are emailed the moment you order. How payment works →

Research Grade Quality
COA Every Batch
USA Based

Pairs with

Bacteriostatic Water

Bacteriostatic Water

Required for reconstitution. Learn more →

Satisfaction guarantee — if a batch's documentation doesn't check out, contact support and we'll make it right.

All products sold by One Tap Peptides are intended for laboratory research use only. Not for human consumption. Not intended for animal use. Not intended for diagnostic or therapeutic purposes.