Side-by-side comparison
LL-37 vs KPV — Price & Profile Comparison
LL-37
vs
KPV
Cellular PeptideAnti-inflammatory / gut research
LL-37
KPV
Cheapest price
$55.00 /10mg
$24.00 /10mg
Vendors stocking
10
37
Regulatory status
Not FDA-approved
Not FDA-approved
Mol. weight
—
342.43 g/mol
The short answer
LL-37 vs KPV: which to choose
KPV is the cheaper option — roughly $24 vs $55 for the lowest verified listing. KPV is the more widely stocked of the two (37 vendors vs 10).
Price Comparison — 2026
LL-37
VendorPrice
KPV
VendorPrice
Vendors Carrying Both
8 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