LL-37vsPentadeca Arginate
LL-37 vs Pentadeca Arginate — independent comparison of uses, administration, pricing across providers, and key differences. Last reviewed April 21, 2026.
Quick Verdict
Based on clinical evidence and real patient data
The only known human cathelicidin antimicrobial peptide, naturally produced by immune cells and epithelial tissues. LL-37 has broad-spectrum antimicrobial activity alongside potent immunomodulatory and wound-healing properties.
A stable arginate salt form of a 15-amino-acid sequence related to BPC-157. Developed as a compounding-pharmacy-compatible alternative following FDA regulatory pressure on BPC-157. Offers similar regenerative and anti-inflammatory benefits through overlapping pathways.
Best choice depends on your insurance, budget, and treatment history.Take the quiz to get a personalized recommendation.
LL-37 vs Pentadeca Arginate: At a Glance
Full comparison across all key factors.
| Factor | LL-37 | Pentadeca ArginateALLY PICK |
|---|---|---|
| Category | recovery | recovery |
| Also Known As | Cathelicidin, hCAP18/LL-37 | PDA, BPC-157 arginate |
| Administration | Topical or subcutaneous injection | Subcutaneous injection or oral capsule |
| Prescription | Required | Required |
| Providers | 3 providers | 5 providers✓ Better |
| Common Uses |
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Data sourced from FDA prescribing information and peer-reviewed clinical trials. Prices reflect telehealth platform costs as of April 21, 2026. See our methodology.
Pricing by Provider
2 providers offer both LL-37 and Pentadeca Arginate.
| Provider | LL-37 | Pentadeca Arginate | Consultation | Lab Testing |
|---|---|---|---|---|
 | $180/monthly | $175/monthly | Video Telehealth | Yes |
 | $240/monthly | $230/monthly | Video Telehealth | Yes |
 | $50/one-time | Not offered | Async Telehealth | No |
 | Not offered | $190/monthly | Video Telehealth | Yes |
 | Not offered | $160/monthly | Video Telehealth | No |
 | Not offered | $189/monthly | Async Telehealth | Yes |
Key Differences
LL-37
The only known human cathelicidin antimicrobial peptide, naturally produced by immune cells and epithelial tissues. LL-37 has broad-spectrum antimicrobial activity alongside potent immunomodulatory and wound-healing properties.
Pentadeca Arginate
More ProvidersA stable arginate salt form of a 15-amino-acid sequence related to BPC-157. Developed as a compounding-pharmacy-compatible alternative following FDA regulatory pressure on BPC-157. Offers similar regenerative and anti-inflammatory benefits through overlapping pathways.
Which Is Right for You?
Choose LL-37if…
- You want a recovery medication
- You prefer topical or subcutaneous injection administration
- 3 providers available on our platform
- Your primary goal is antimicrobial defense
- Your primary goal is chronic wound healing
Choose Pentadeca Arginateif…
- You want a recovery medication
- You prefer subcutaneous injection or oral capsule administration
- You want more provider options (5 available)
- Your primary goal is tendon and ligament repair
- Your primary goal is gut healing
Frequently Asked Questions
What is the difference between LL-37 and Pentadeca Arginate?
Which is cheaper, LL-37 or Pentadeca Arginate?
Can I switch from LL-37 to Pentadeca Arginate?
Medical Disclaimer
This comparison is for informational purposes only and does not constitute medical advice. Always consult with a qualified healthcare provider before starting, stopping, or changing any medication. Individual results may vary. The information presented reflects publicly available data and may not account for your specific health situation.