GHRP-6vsLL-37
GHRP-6 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
One of the original synthetic growth hormone secretagogues. Similar to GHRP-2 but with a pronounced ghrelin-mimicking appetite-stimulating effect. Favored by those looking to increase caloric intake alongside growth hormone optimization.
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.
GHRP-6 vs LL-37: At a Glance
Full comparison across all key factors.
| Factor | GHRP-6ALLY PICK | LL-37 |
|---|---|---|
| Category | growth-hormone | recovery |
| Also Known As | Growth Hormone Releasing Peptide-6 | Cathelicidin, hCAP18/LL-37 |
| Administration | Subcutaneous injection | Topical or subcutaneous injection |
| Prescription | Required | Required |
| Providers | 4 providers✓ Better | 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
3 providers offer both GHRP-6 and LL-37.
| Provider | GHRP-6 | LL-37 | Consultation | Lab Testing |
|---|---|---|---|---|
 | $30/one-time | $50/one-time | Async Telehealth | No |
 | $150/monthly | $180/monthly | Video Telehealth | Yes |
 | $200/monthly | $240/monthly | Video Telehealth | Yes |
 | $165/monthly | Not offered | Video Telehealth | Yes |
Key Differences
GHRP-6
More ProvidersOne of the original synthetic growth hormone secretagogues. Similar to GHRP-2 but with a pronounced ghrelin-mimicking appetite-stimulating effect. Favored by those looking to increase caloric intake alongside growth hormone optimization.
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 GHRP-6if…
- You want a growth-hormone medication
- You prefer subcutaneous injection administration
- You want more provider options (4 available)
- Your primary goal is growth hormone release
- Your primary goal is increased appetite and muscle mass
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 GHRP-6 and LL-37?
Which is cheaper, GHRP-6 or LL-37?
Can I switch from GHRP-6 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.