KPV vs LL-37
Which should you choose? Here's what you need to know.
The short answer
KPV and LL-37 are both immune / inflammation peptides, but they work differently. A tripeptide derived from alpha-MSH with potent anti-inflammatory properties. Studied for gut inflammation and skin conditions. The only human cathelicidin antimicrobial peptide. Plays a key role in innate immune defense against bacterial, viral, and fungal infections. Compare vendor pricing and availability below.
On 20 Sep 2026 Peptide Compare tracked 55 vendors selling KPV, cheapest in stock $1.88 per mg at Ignite Peptides, and 39 selling LL-37, cheapest $5.40 per mg at Alpha Omega.
KPV
Immune / InflammationA tripeptide derived from alpha-MSH with potent anti-inflammatory properties. Studied for gut inflammation and skin conditions.
LL-37
Immune / InflammationThe only human cathelicidin antimicrobial peptide. Plays a key role in innate immune defense against bacterial, viral, and fungal infections.
Price & availability
Once you've decided which peptide fits your needs, here's how they compare on price and vendor options. Prices verified Sep 20, 2026.
KPV
LL-37
$28.00
Starting from
$34.99
$7.67
Avg. price per mg
$17.22
55
Vendors selling it
39
54 options
In stock now
38 options
9.1/10
Top trust score
9.0/10
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Where does this data come from?
We re-check vendor prices continuously and score vendors on Finnrick blind-test results — samples bought anonymously and sent to a lab, not vendor claims. No vendor can pay to rank higher. See our full methodology.