What Is KPV? Dosage, Half-Life & How to Track It
Also known as: Lysine-Proline-Valine · α-MSH(11-13) · KPV Tripeptide
KPV is a three-amino-acid fragment of alpha-MSH — Lysine-Proline-Valine — studied for anti-inflammatory activity without the pigmentation effects of its parent hormone. Community protocols run it subcutaneously once daily, typically starting around 200 mcg and titrating up to a 500 mcg maintenance dose over several weeks. Its half-life in humans isn’t well characterized, but as a small tripeptide it’s assumed to clear quickly, consistent with the daily schedule. Educational only — not medical advice.
What KPV is and how it works
KPV is literally just three amino acids — lysine, proline, valine — the C-terminal tail of alpha-melanocyte-stimulating hormone (α-MSH), sometimes written α-MSH(11-13). The receptor-binding core of α-MSH isn’t present, which is the whole appeal: KPV is studied for α-MSH’s anti-inflammatory signaling without the tanning, appetite, or libido effects that come with compounds like Melanotan II.
Research points to KPV dampening NF-κB, a master switch that turns on inflammatory genes, which lowers output of cytokines like TNF-α and IL-6. Most of the foundational work is in inflammatory bowel disease (colitis) models, where it protects the gut lining, though it’s also studied for skin inflammation and more broadly as a targeted anti-inflammatory tool.
Worth being straight about the evidence: most of it is preclinical (cell and animal models), human trial data is limited, and it is not FDA-approved for any use. Treat the mechanism as promising and the dosing as community-derived, not settled medicine.
Typical dosing & reconstitution
KPV ships as a lyophilized powder, reconstituted with bacteriostatic water. Community protocols run it subcutaneously once daily, typically starting at 200 mcg and titrating up over several weeks toward a 500 mcg maintenance dose.
How much BAC water you add sets the concentration, and the concentration sets your syringe units:
| Vial | BAC water | Concentration | 1 unit (U-100) ≈ |
|---|---|---|---|
| 10 mg | 3 mL | 3.33 mg/mL | 33.3 mcg |
At 3.33 mg/mL, a 300 mcg dose is 9 units on a standard U-100 insulin syringe. The reconstitution calculator handles this for any vial-and-water combination you’re working with.
Half-life & what it means for frequency
KPV’s human pharmacokinetics haven’t been formally published. As a three-amino-acid peptide, it’s reasonable to assume fast clearance — minutes rather than hours — and daily dosing schedules are built around that assumption rather than a measured number.
Because it’s dosed for a systemic, accumulating anti-inflammatory effect rather than acting like a slow-release hormone, missing a day doesn’t set you back the way missing a weekly injection would — just resume the next day.
What to track & common side effects
KPV is generally reported as well tolerated at the doses community protocols use; most complaints are injection-site related. Unlike Melanotan-style α-MSH peptides, it shouldn’t cause tanning, nausea, or libido/appetite shifts, since it lacks the receptor-binding region responsible for those effects.
What’s worth tracking: dose and site each day, which titration week you’re on, and whatever symptom you started it for — gut, skin, or joint inflammation. Since the effect builds over weeks, a trend line matters more than any single day.
How to track KPV in Stackeddd
Log KPV’s daily dose and site, and let the titration ladder (200 mcg → 500 mcg over several weeks) show up automatically instead of tracking it on paper. Pair it with whatever inflammatory symptom you’re targeting so you can see if the trend is actually moving.
Model it yourself · free, no account
Reconstitution Calculator
Model it yourself: enter your vial size and how much BAC water you added, and the Peptides tab returns the concentration and exact insulin-syringe units for any dose — the same math built into the Stackeddd app.
Related compounds
Related reading: What peptides can you mix in the same syringe? · Peptide reconstitution math: how much BAC water to add
Frequently asked questions
What is KPV used for?
KPV is studied as an anti-inflammatory peptide — a fragment of alpha-MSH that appears to dampen NF-κB signaling and lower inflammatory cytokines, most researched in gut/colitis and skin-inflammation models. Evidence is largely preclinical, and it is not FDA-approved for human use.
What is the half-life of KPV?
It hasn’t been formally measured in humans. As a three-amino-acid peptide, it’s assumed to clear quickly (minutes rather than hours), which is why community protocols dose it once daily.
How do you reconstitute KPV?
Add bacteriostatic water to the lyophilized vial — a common setup is 3 mL into a 10 mg vial, giving about 3.33 mg/mL, so one insulin-syringe unit is roughly 33 mcg. The reconstitution calculator handles the math for any vial-and-water combination.
Does KPV cause tanning like other α-MSH peptides?
No. KPV is only the C-terminal fragment of alpha-MSH and lacks the receptor-binding region responsible for pigmentation, appetite, and libido effects seen with compounds like Melanotan II. It is studied specifically for the anti-inflammatory piece without those side effects.
This is educational information, not medical advice. Doses and protocols above reflect published references and community practice — protocol decisions belong with your prescribing physician. Generic names used throughout. How this reference is built & how the AI is tested →
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