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LL-37
REPAIR · VI

LL-37

Cathelicidin antimicrobial.

From / per milligram
$65.7$13.1/mg · 5MG
Sizes available
5mg · 10mg
Lab certificate (COA)
Supplier-published sample
Compare 4 suppliers ↓View test certificate →

· Research-grade only · Not for human consumption · 21+ ·

What is it

Cathelicidin antimicrobial. Antimicrobial action and skin repair.

Mechanism · Innate-immunity antimicrobial cathelicidin peptide. Wound-repair + immune modulation.

Who

Best for. Not for.

Best for

  • Combined wound healing and antimicrobial coverage.
  • Skin-infection adjunct (early research).
  • Innate-immunity stimulation research.

Not for

  • Active malignancy (theoretical proliferation concern).
  • Pregnancy or nursing.
  • Active autoimmune flare (immune activation).
  • No commercial Phase 2 human evidence yet.
What it does

Mechanism, dose, ramp, risk.

Mechanism
Antimicrobial peptide. Modulates immune response and wound repair.Source · PEPVERA editorial
Target dose
100-500 mcg / day.Source · PEPVERA editorial
Ramp
4-Week cycle.Source · PEPVERA editorial
Risks
Limited human data.Source · PEPVERA editorial
Alternatives

Compared to its siblings.

★ Currently viewing

LL-37

Cathelicidin antimicrobial. Antimicrobial action and skin repair.

Pros

  • · Antimicrobial action absent in BPC-157.
  • · Stronger antimicrobial activity than GHK-Cu.

Cons

  • · Narrower healing evidence than BPC-157.
  • · Not an FDA cosmetic ingredient like GHK-Cu.

BPC-157

Wound healing without antimicrobial action. Broad animal evidence.

Pros

  • · Broad healing evidence.

Cons

  • · No antimicrobial effect.

See BPC-157 →

GHK-Cu

Skin regeneration. Copper-binding cosmetic.

Pros

  • · FDA cosmetic ingredient.

Cons

  • · Weak antimicrobial action.

See GHK-Cu →

How we verify

COA per supplier

Published, in-house, or shipment-time

Each supplier declares its own HPLC floor and COA policy. The per-supplier verifier appears on the certificate page; refund and shipping terms vary by supplier and are shown on the supplier listing.

→ How we verify suppliers→ Refund policy
Anti-inflamHealingExperimental
Suppliers

Compare 4 suppliers

SupplierPriceCOAShips
Pure Peptide UKUK$30$6.00/mg · 5mgIn-house COA4 daysOut of stock
Verified PeptidesUS$65.7$13.14/mg · 5mgSample COA published3 days
Ameano PeptidesUS$80$8.00/mg · 10mgSample COA published2 days
Ascension PeptidesUS$110$11.00/mg · 10mgSample COA published3 days
❄ COLD-CHAIN · 5–9 DAYS

Direct from foundry. Slower than domestic resellers; consistency is the trade. Insulated packaging, tracked from departure to doorstep. Replacement issued on damage.

Dosing protocol

Week 1

100-500 mcg / day.

Begin near site

Week 2–4

100-500 mcg / day.

Daily, rotate

Week 5–6

100-500 mcg / day.

Taper option

Week 7+

Maintenance

As needed

Reconstitution

Draw 20 units.

0.5 mg = 0.20 mL at 2.50 mg/mL. 10.0 doses per vial.

repair · VI · Verified Peptides

LL-37 · 5mg