Side-by-side comparison
LL-37
Safety 6/10vs
KPV
Cellular PeptideSafety 7/10Anti-inflammatory / gut research
LL-37
KPV
Cheapest price
$27.50 /5mg
$31.99 /10mg
Vendors stocking
12
20
Safety rating
6/10
7/10
Mol. weight
—
342.43 g/mol
Administration
Topical
Oral
Price Comparison — 2026
LL-37
VendorPrice
KPV
VendorPrice
Vendors Carrying Both
11 vendors stock both LL-37 and KPV — convenient if you want to bundle an order.
Safety Notes
LL-37
FDA: Not FDA-approved
Endogenous cathelicidin; naturally occurring; potential pro-inflammatory at very high doses only
KPV
FDA: Not FDA-approved
Alpha-MSH fragment; endogenous origin; anti-inflammatory in studies; no adverse signals identified