GHK-Cu vs Ipamorelin
Well Studied vs Well Studied
synergistic Mechanism-based · 47% GHK-Cu and Ipamorelin work through complementary pathways. Growth hormone signaling supports tissue repair processes. A well-established combination in recovery protocols.
Molecular Data
GHK-Cu Ipamorelin
Weight 404.96 Da 711.85 Da
Half-life 0.5-2 hours ~2 hours
Chain 3 amino acids 5 amino acids
Type Copper tripeptide Growth hormone secretagogue
Key Benefits
GHK-Cu
01 Enhanced collagen production (70% increase in type I and III)
02 Improved skin elasticity
03 Reduced fine lines and wrinkles
04 Accelerated wound healing
05 Hair growth stimulation
06 Antioxidant protection
Ipamorelin
01 Optimal GH stimulation with superior bioavailability
02 Body composition improvements (lean mass, fat loss)
03 Enhanced recovery and anti-aging effects
04 Minimal side effects compared to other GHRPs
05 No significant cortisol or prolactin elevation
06 Improved sleep quality
Dosing Protocols
GHK-Cu
0.5-2% topical or 1-3mg injectable / 1-2x daily
Systemic anti-aging 1-2mg 1x daily
Enhanced regeneration 2-3mg 1-2x daily
Ipamorelin
200-300 mcg per injection / 1-3 times daily depending on goals (1x for longevity, 2-3x for performance)
General Health & Longevity 200mcg 1x daily before bed
Body Composition 250-300mcg 2x daily (morning, pre-workout)
Athletic Performance 200-250mcg 2-3x daily
Sleep & Recovery 200mcg 1x daily 30min before bed
Anti-Aging Protocol 200-250mcg 1-2x daily
Side Effects
GHK-Cu
Mild skin irritation initially (usually resolves)
Increased photosensitivity
Ipamorelin
Mild hunger increase 20-30 minutes post-injection
Slight drowsiness when taken before bed
Water retention (mild)
Contraindications
Known copper sensitivity or Wilson's disease
Active skin infections at application site
Pregnancy or breastfeeding (injectable)
Pregnancy or breastfeeding
Active cancer or history of cancer
Severe kidney or liver disease
Research Evidence
GHK-Cu Ipamorelin
Status Well Studied Well Studied
References 5 studies 5 studies
Latest July 2025 October 2024
FDA Approved No No
This comparison is for educational and research purposes only. Consult a healthcare professional before use.