Immune · 2 vendors stocking
Cathelicidin, hCAP-18, LL37
Every point is published and checkable — how the value score is built ›
| Vendor | Listing | Size | Vial price | Per milligram, after code | Value | |
|---|---|---|---|---|---|---|
| Ascension Best buy | LL-37 (10MG) | 10MG | $89.00 | $8.90 | 7.4 | View › |
| ZestyRat | LL37 – 5mg | 5mg | $59.99 | $10.80 |
7.8 | View › |
Every row read from the vendor's live storefront on August 26, 2026. Ordered by value score, not by sticker price. Vials only — capsules, sprays and serums are excluded. Method ›
LL-37 is the only human cathelicidin antimicrobial peptide, a 37-residue sequence studied extensively in innate-immunity and biofilm models.
Deeper background, sourcing and quality notes live on our sister site: Peptides Uncaged ›
Always-on partner code, re-tested at a live checkout. It stacks on the prices above, so a ZestyRat row within 10% of the leader is usually the cheaper order. Every other working code is on the Deal Board.
Questions
The cheapest LL-37 vial across the three storefronts we index is Ascension Peptides at $89.00 for the 10MG vial — $8.90 per milligram Prices were read from the vendors' live catalogues on August 26, 2026.
Ascension Peptides, at $8.90 per milligram. That is 26% below the next-cheapest vendor on the board. The deepest premium catalog of the four. A free researcher account is required at checkout — about a minute, one time.
Across the vendors we index: 5mg, 10MG. Larger vials are almost always cheaper per milligram, which is why the table above is sorted on that column rather than on sticker price.
The two vendors that stock it sell different sizes — 5mg and 10mg. This is exactly the case where the cheaper sticker is the more expensive product.
No. LL-37 is sold by every vendor listed here for laboratory research use only. Nothing on this page is medical advice or a recommendation to use any compound.
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