KisspeptinvsLL-37
Kisspeptin vs LL-37 — 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
A hypothalamic neuropeptide that acts as the primary regulator of the reproductive endocrine axis, triggering GnRH release and downstream LH/FSH production. Used to evaluate and treat disorders of sexual function and fertility in both men and women.
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.
Best choice depends on your insurance, budget, and treatment history.Take the quiz to get a personalized recommendation.
Kisspeptin vs LL-37: At a Glance
Full comparison across all key factors.
| Factor | Kisspeptin | LL-37 |
|---|---|---|
| Category | sexual-health | recovery |
| Also Known As | Metastin, KP-10, KP-54 | Cathelicidin, hCAP18/LL-37 |
| Administration | Subcutaneous injection | Topical or 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 Kisspeptin and LL-37.
| Provider | Kisspeptin | LL-37 | Consultation | Lab Testing |
|---|---|---|---|---|
 | $200/monthly | $180/monthly | Video Telehealth | Yes |
 | $260/monthly | $240/monthly | Video Telehealth | Yes |
 | Not offered | $50/one-time | Async Telehealth | No |
 | $220/monthly | Not offered | Video Telehealth | Yes |
Key Differences
Kisspeptin
A hypothalamic neuropeptide that acts as the primary regulator of the reproductive endocrine axis, triggering GnRH release and downstream LH/FSH production. Used to evaluate and treat disorders of sexual function and fertility in both men and women.
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.
Which Is Right for You?
Choose Kisspeptinif…
- You want a sexual-health medication
- You prefer subcutaneous injection administration
- 3 providers available on our platform
- Your primary goal is low libido
- Your primary goal is hormonal balance
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
Frequently Asked Questions
What is the difference between Kisspeptin and LL-37?
Which is cheaper, Kisspeptin or LL-37?
Can I switch from Kisspeptin to LL-37?
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.