LL-37, single vial

Human cathelicidin antimicrobial peptide

LL-37

Human cathelicidin antimicrobial peptide. Supplied for laboratory research use only.

  • Human antimicrobial peptide; Phase 2b topical wound-healing RCT completed
  • Not approved anywhere; no Phase 3 data exists
  • Supplied for laboratory research use only. Not for human or veterinary use.
$239.99$359.97 Save 33%
Every vial 5 mg
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Research use only. Not for human or veterinary use or consumption. This product is not approved by the FDA and is not intended to diagnose, treat, cure or prevent any disease.

What it is
CompoundLL-37
ClassHuman cathelicidin antimicrobial peptide
FormLyophilised powder, supplied in a vial
OriginatorNot stated
Development status

LL-37 is not approved by the FDA for any indication.

Most advanced human data is a completed topical, not systemic, Phase 2b randomised controlled trial in wound healing. Available in the US only as a compounded prescription product through licensed 503A compounding pharmacies, not as an approved drug.

Shipping & returns
ReturnsNinety days from delivery. Contact us and we will refund the purchase price.
LL-37 $239.99

The specifics

The details, if you want them.

ClassHuman cathelicidin antimicrobial peptide
Amino acids37
Peptide typeNaturally occurring human peptide (synthesized version sold here)
Trial phasePhase 2b completed, topical wound healing (not advanced to Phase 3)
FormLyophilised powder (research/injectable-adjacent); topical formulations also exist separately
Receptor target(s)Bacterial/fungal/viral membranes (direct membrane disruption); FPRL1 receptor (immune cell recruitment signaling)
Route in published trialTopical application (the completed Phase 2b trial was a topical wound-healing study, not systemic/injectable)

Development

Where it is up to.

Most advanced human data is a completed topical Phase 2b trial in wound healing — not a systemic/injectable study. Not advanced to Phase 3.

Questions

The questions people actually ask.

What is LL-37?
A naturally occurring human antimicrobial peptide, 37 amino acids; this product is a synthesized version of that peptide.
Is LL-37 approved by the FDA?
No. It's currently available in the US only through licensed compounding pharmacies, not as an approved drug.
What does "Research Use Only" mean?
Research Use Only means exactly that: intended for laboratory and research settings only, not for human or animal use, consumption, diagnosis, treatment, cure, or prevention of any disease.
How is LL-37 supplied?
As a vial of lyophilised (freeze-dried) powder, sold for laboratory and research use only.
What is your refund policy?
Ninety days from delivery. If you decide against it inside that window, contact hello@getmrpeps.com and we will refund the purchase price. Damaged or incorrect orders are replaced or refunded regardless.