Peptide Comparison
Human Growth Hormone (HGH)vsCJC-1295 (No DAC)
The master hormone that acts as your body's repair crew—building lean muscle, burning stubborn fat, strengthening bones, and helping you recover like you did in your younger years.
A modified growth hormone-releasing hormone that boosts your body's natural GH pulses for better recovery, deeper sleep, and improved body composition.
At a Glance
Quick
comparison
Dose Range
Human Growth Hormone (HGH)
1–4 IU
CJC-1295 (No DAC)
100–300 mcg
Frequency
Human Growth Hormone (HGH)
Once daily
CJC-1295 (No DAC)
Once daily
Administration
Human Growth Hormone (HGH)
Subcutaneous injection
CJC-1295 (No DAC)
Subcutaneous injection
Cycle Length
Human Growth Hormone (HGH)
12+ weeks
CJC-1295 (No DAC)
8-12 weeks
Onset Speed
Human Growth Hormone (HGH)
Gradual (3-4 weeks)
CJC-1295 (No DAC)
Moderate (1-2 weeks)
Evidence Level
Human Growth Hormone (HGH)
Strong human trials (Phase 3 or FDA approved)
CJC-1295 (No DAC)
Moderate human trials (Phase 1-2)
Efficacy
Benefit
ratings
Body Composition
Recovery & Healing
Anti-Aging Effects
GH Stimulation
Sleep Quality
Recovery Support
Technical Data
Compound
specifications
Human Growth Hormone (HGH)
Molecular Formula
C990H1529N263O299S7
Molecular Weight
22,124 Da (22.124 kDa)
Half-Life
2-4 hours (endogenous), varies by formulation for synthetic
Bioavailability
70-90% (subcutaneous injection)
CAS Number
12629-01-5
CJC-1295 (No DAC)
Molecular Formula
C152H252N44O42
Molecular Weight
3367.9 g/mol
Half-Life
30 minutes to 2 hours
Bioavailability
~100% (subcutaneous)
CAS Number
863288-34-0
Protocols
Dosing
tiers
Human Growth Hormone (HGH)
CJC-1295 (No DAC)
Applications
Best
suited for
Human Growth Hormone (HGH)
Anti-Aging and Longevity Seekers
HGH naturally declines as you age—by 60, you may have only 20% of what you had at 20. Replacement therapy can help restore youthful energy, improve skin quality, maintain muscle mass, and support overall vitality. Think of it as giving your body back the building blocks it's been missing.
Body Recomposition Goals
HGH is one of the few compounds that helps you build lean muscle while simultaneously burning fat. It enhances protein synthesis for muscle growth while mobilizing fat stores for energy. The result? A leaner, more muscular physique—especially when combined with proper training and nutrition.
Recovery and Healing
Whether you're recovering from surgery, a sports injury, or just intense training, HGH accelerates tissue repair. It promotes collagen synthesis, speeds wound healing, and helps tendons and ligaments recover faster. Athletes and fitness enthusiasts particularly value this benefit.
Sleep Quality Improvement
Many HGH users report significantly better sleep—falling asleep faster, sleeping deeper, and waking up feeling more refreshed. This makes sense because growth hormone is naturally released in pulses during deep sleep. Better sleep means better recovery, mood, and cognitive function.
CJC-1295 (No DAC)
Natural Growth Hormone Optimization
Perfect for those wanting to boost their body's own GH production rather than using synthetic growth hormone. Mimics the natural pulsatile release pattern your pituitary uses.
Workout Recovery and Muscle Building
Athletes and fitness enthusiasts use it to accelerate recovery between training sessions, support lean muscle development, and reduce body fat over time.
Sleep Quality Enhancement
Because GH is naturally released during deep sleep, many users report dramatically improved sleep quality with more vivid dreams and feeling more refreshed upon waking.
Anti-Aging and Vitality
As GH levels decline with age, CJC-1295 helps restore more youthful hormone patterns, potentially improving skin quality, energy levels, and overall well-being.
Synergistic Peptide Stacking
Designed to work hand-in-hand with GHRPs like Ipamorelin. When combined, these peptides amplify each other's effects for significantly greater GH release than either alone.
Safety Profile
Side
effects
Human Growth Hormone (HGH)
Common
- Water retention and swelling
- Joint and muscle pain
- Carpal tunnel symptoms
- Headaches
Uncommon
- Elevated blood sugar
- Gynecomastia (in men)
Serious
- Intracranial hypertension
CJC-1295 (No DAC)
Common
- Injection site reactions
- Flushing or warmth
- Water retention
- Increased appetite
Uncommon
- Tingling or numbness
- Headache
Serious
- Allergic reaction
Research Status
Safety
& evidence
Human Growth Hormone (HGH)
Evidence Level
Strong human trials (Phase 3 or FDA approved)
FDA Status
FDA approved for other use
Safety Overview
Recombinant human growth hormone has been FDA-approved since 1985 and has extensive safety data from decades of clinical use. When used at appropriate replacement doses, it has a well-established safety profile. Most side effects are dose-dependent and reversible by reducing the dose. Long-term monitoring of blood sugar, IGF-1 levels, and overall health markers is recommended.
Contraindications
- xActive cancer or history of cancer
- xDiabetic retinopathy (eye damage from diabetes)
- xSevere respiratory illness or breathing problems
- xKnown hypersensitivity to growth hormone or any excipients
- xClosed epiphyses in children when used for growth
CJC-1295 (No DAC)
Evidence Level
Moderate human trials (Phase 1-2)
FDA Status
Research compound
Safety Overview
CJC-1295 without DAC has been studied in Phase 1-2 human clinical trials with a favorable safety profile. The most common side effects are mild and include injection site reactions and temporary flushing. Because it stimulates natural GH release rather than providing exogenous GH, it maintains the body's feedback mechanisms.
Contraindications
- xActive cancer or history of cancer
- xPregnancy or breastfeeding
- xPituitary tumors or disorders
- xHypersensitivity to GHRH analogs
- xDiabetic retinopathy
Decision Guide
Which is
right for you?
Choose Human Growth Hormone (HGH) if...
- Body recomposition (building muscle while losing fat)
- Anti-aging and longevity
- Recovery from injury or surgery
- Improved sleep quality
Choose CJC-1295 (No DAC) if...
- Increasing natural growth hormone levels
- Building lean muscle mass
- Improving sleep quality
- Enhancing workout recovery