Peptide Comparison
GHRP-2vsCJC-1295 with DAC
A potent growth hormone releasing peptide that signals your pituitary gland to release more GH naturally—think of it as turning up the volume on your body's own growth hormone production.
Long-acting growth hormone releaser that works around the clock to boost your body's natural GH production with just one or two injections per week.
At a Glance
Quick
comparison
Dose Range
GHRP-2
100–300 mcg
CJC-1295 with DAC
1000–2000 mcg
Frequency
GHRP-2
Multiple times daily
CJC-1295 with DAC
Twice weekly
Administration
GHRP-2
Subcutaneous injection
CJC-1295 with DAC
Subcutaneous injection
Cycle Length
GHRP-2
8-12 weeks
CJC-1295 with DAC
8-12 weeks
Onset Speed
GHRP-2
Rapid (hours to days)
CJC-1295 with DAC
Moderate (1-2 weeks)
Evidence Level
GHRP-2
Moderate human trials (Phase 1-2)
CJC-1295 with DAC
Moderate human trials (Phase 1-2)
Efficacy
Benefit
ratings
GH Release
Recovery Speed
Sleep Quality
GH Elevation
Convenience
Recovery Support
Technical Data
Compound
specifications
GHRP-2
Molecular Formula
C45H55N9O6
Molecular Weight
817.97 g/mol
Half-Life
15-60 minutes
Bioavailability
High (subcutaneous)
CAS Number
158861-67-7
CJC-1295 with DAC
Molecular Formula
C165H269N47O46
Molecular Weight
3647.28 g/mol
Half-Life
6-8 days
Bioavailability
~100% (subcutaneous)
CAS Number
863288-34-0
Protocols
Dosing
tiers
GHRP-2
CJC-1295 with DAC
Applications
Best
suited for
GHRP-2
Natural Growth Hormone Optimization
GHRP-2 excels at stimulating your pituitary to release more of your own growth hormone. Unlike synthetic HGH, it works with your body's natural feedback systems, creating more physiological GH pulses that mimic what your body did when you were younger.
Recovery and Muscle Building
Athletes and fitness enthusiasts love GHRP-2 for its ability to speed up recovery between workouts. The elevated GH and IGF-1 levels help repair muscle tissue faster, reduce soreness, and support lean muscle growth—especially when combined with proper training and nutrition.
Deep Sleep Enhancement
One of the most noticeable effects users report is dramatically improved sleep quality. GHRP-2 taken before bed can enhance deep sleep phases, which is when your body does most of its repair work. Many users report waking up feeling more refreshed and recovered.
Anti-Aging and Vitality
As we age, natural GH production declines significantly. GHRP-2 helps restore more youthful GH levels, which can translate to better skin elasticity, improved energy, enhanced recovery capacity, and that overall feeling of vitality that tends to fade with age.
Appetite Stimulation
Unlike many peptides that suppress appetite, GHRP-2 is known for increasing hunger. This makes it ideal for hard-gainers trying to build muscle or anyone who struggles to eat enough calories. The appetite boost typically kicks in within 20-30 minutes of injection.
CJC-1295 with DAC
Growth Hormone Optimization
CJC-1295 with DAC excels at providing a sustained, steady elevation of growth hormone levels. Unlike shorter-acting peptides that create brief spikes, the DAC modification keeps GH elevated for days, mimicking a more youthful hormone profile.
Muscle Building and Recovery
By increasing both GH and IGF-1 levels, this peptide supports protein synthesis and muscle repair. Users often notice improved recovery between workouts and better ability to build and maintain lean muscle mass.
Anti-Aging and Longevity
Growth hormone naturally declines with age, contributing to many signs of aging. CJC-1295 with DAC helps restore more youthful GH levels, potentially supporting better skin quality, energy levels, and overall vitality.
Body Composition Improvement
The combination of increased GH and IGF-1 promotes fat metabolism while preserving muscle tissue. Many users experience gradual fat loss, particularly in stubborn areas, while maintaining or building lean mass.
Convenient Weekly Dosing
Unlike peptides requiring daily or twice-daily injections, the extended half-life of CJC-1295 with DAC means just one or two injections per week provide continuous benefits. Ideal for those who want results without daily protocols.
Safety Profile
Side
effects
GHRP-2
Common
- Increased appetite
- Water retention
- Tingling or numbness
- Flushing
Uncommon
- Elevated cortisol
- Headaches
Serious
- Blood sugar changes
CJC-1295 with DAC
Common
- Injection site reactions
- Water retention
- Flushing
- Tingling sensation
Uncommon
- Headaches
- Fatigue or lethargy
- Joint discomfort
Serious
- Carpal tunnel symptoms
- Blood glucose elevation
Research Status
Safety
& evidence
GHRP-2
Evidence Level
Moderate human trials (Phase 1-2)
FDA Status
Not FDA approved
Safety Overview
GHRP-2 has been studied in numerous human clinical trials and is generally well-tolerated at standard doses. The most common side effects are increased appetite and temporary water retention, which typically subside with continued use. It stimulates both GH and cortisol release, though cortisol elevation is usually mild and transient. Unlike synthetic HGH, GHRP-2 works within your body's natural feedback loops, reducing the risk of excessive GH levels.
Contraindications
- xPregnancy or breastfeeding
- xActive cancer or history of cancer
- xPituitary tumors or disorders
- xUncontrolled diabetes
CJC-1295 with DAC
Evidence Level
Moderate human trials (Phase 1-2)
FDA Status
Research compound
Safety Overview
CJC-1295 with DAC was evaluated in Phase 1-2 human clinical trials where it demonstrated a generally favorable safety profile. The most common adverse events were mild injection site reactions including temporary pain, swelling, and redness. No serious adverse events were reported in the published clinical studies. The compound was being developed for HIV-associated lipodystrophy before the program was discontinued.
Contraindications
- xActive cancer or history of malignancy
- xPregnancy or breastfeeding
- xPituitary tumors or disorders
- xDiabetic retinopathy
- xUncontrolled diabetes
Decision Guide
Which is
right for you?
Choose GHRP-2 if...
- Growth hormone optimization
- Muscle building
- Recovery enhancement
- Anti-aging
Choose CJC-1295 with DAC if...
- Boosting natural growth hormone production
- Building lean muscle mass
- Improving body composition
- Anti-aging and longevity