Hexarelin vs LL-37
Well Studied vs Well Studied
synergistic Mechanism-based · 47% Hexarelin and LL-37 work through complementary pathways. Growth hormone signaling supports tissue repair processes. A well-established combination in recovery protocols.
Molecular Data
Hexarelin LL-37
Weight 887 Da —
Half-life 1-2 hours Short (rapid proteolytic degradation)
Chain 6 amino acids 37 amino acids
Type Synthetic hexapeptide Cationic antimicrobial peptide
Key Benefits
Hexarelin
01 Most potent GHRP for GH stimulation
02 Powerful synergy with GHRH peptides
03 Cardioprotective effects via CD36 receptor
04 Enhanced muscle growth and strength
05 Improved fat metabolism
06 Better recovery and tissue repair
07 Maintains natural GH pulsatility
08 Stable against proteolytic enzymes
LL-37
01 Direct wound healing acceleration
02 Broad-spectrum antimicrobial activity
03 Activity against resistant bacteria (MRSA, MDRPA)
04 Enhanced tissue regeneration
05 Immune modulation
06 Local antimicrobial protection
Dosing Protocols
Hexarelin
100-200 mcg per injection / 2-3 times daily for optimal GH pulses
GH optimization 100 mcg 2-3x daily
Enhanced results 200 mcg 2-3x daily
With GHRH (synergy) 100 mcg each 2-3x daily
Cardioprotection 100-200 mcg 1-2x daily
LL-37
0.5-1.6 mg/mL topical gel or 100-150 mcg injectable / Topical: Daily to twice weekly on wounds. Injectable: Once daily subcutaneous
Systemic immune support 100-150mcg Once daily
Side Effects
Hexarelin
Increased appetite (less than GHRP-6)
Water retention
Tingling or numbness
Tiredness after injection
Mild headache
LL-37
Generally well-tolerated
Mild injection site reactions (injectable)
Local irritation at application site (topical)
Contraindications
Active cancer or history of cancer
Pregnancy or breastfeeding
Pituitary disorders
WADA prohibited for competitive athletes
Pre-existing hypersensitivity to peptides
Compromised immune status (relative contraindication)
Non-sterile wound environments
Research Evidence
Hexarelin LL-37
Status Well Studied Well Studied
References 4 studies 4 studies
Latest — 2025
FDA Approved No No
This comparison is for educational and research purposes only. Consult a healthcare professional before use.