LL-37vsMelanotan II
LL-37 vs Melanotan II — 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 synthetic melanocortin peptide analog that activates multiple melanocortin receptors. Originally studied for tanning, it also has effects on sexual arousal and appetite regulation.
Best choice depends on your insurance, budget, and treatment history.Take the quiz to get a personalized recommendation.
LL-37 vs Melanotan II: At a Glance
Full comparison across all key factors.
| Factor | LL-37 | Melanotan II |
|---|---|---|
| Category | recovery | sexual-health |
| Also Known As | Cathelicidin, hCAP18/LL-37 | MT-2, MT-II |
| Administration | Topical or subcutaneous injection | Subcutaneous injection |
| Prescription | Required | Required |
| Providers | 3 providers | 3 providers |
| 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 Melanotan II.
| Provider | LL-37 | Melanotan II | Consultation | Lab Testing |
|---|---|---|---|---|
 | $50/one-time | $30/one-time | Async Telehealth | No |
 | $180/monthly | $120/per-vial | Video Telehealth | Yes |
 | Not offered | $110/per-vial | Video Telehealth | No |
 | $240/monthly | Not offered | Video 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.
Melanotan II
A synthetic melanocortin peptide analog that activates multiple melanocortin receptors. Originally studied for tanning, it also has effects on sexual arousal and appetite regulation.
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 Melanotan IIif…
- You want a sexual-health medication
- You prefer subcutaneous injection administration
- 3 providers available on our platform
- Your primary goal is sexual dysfunction
- Your primary goal is skin pigmentation
Frequently Asked Questions
What is the difference between LL-37 and Melanotan II?
Which is cheaper, LL-37 or Melanotan II?
Can I switch from LL-37 to Melanotan II?
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.