CJC-1295 vs Ipamorelin
Secretagogue vs GHRH analog — or stack them for synergistic GH release.
Anti-agingGrowth HormonePeptideUpdated March 2026
VS
Quick Verdict
Ipamorelin triggers GH pulses while CJC-1295 amplifies them. Often used together for synergistic GH elevation, but each works differently on its own.
Best for
CJC-1295
Selective GH pulses with minimal side effects. Ideal as a standalone for sleep and recovery.
Best for
Ipamorelin
Sustained, elevated GH and IGF-1 levels. Better for body recomposition when you want continuous GH support.
Head-to-Head Comparison
CJC-1295
Ipamorelin
Full Name
Full Name
CJC-1295 (with DAC)
Ipamorelin (Growth Hormone Secretagogue)
Category
Category
Peptide (GHRH Analog)
Peptide (Growth Hormone Secretagogue)
Mechanism
Mechanism
GHRH analog with Drug Affinity Complex (DAC) that extends half-life to ~8 days. Amplifies natural GH pulses by stimulating the pituitary’s GHRH receptor, increasing both GH and IGF-1.
Selectively stimulates ghrelin receptor to trigger pulsatile GH release from the pituitary. Minimal effect on cortisol, prolactin, or appetite — highly selective among GH peptides.
Best For
Best For
- • Sustained GH elevation
- • Deep sleep enhancement
- • Fat loss & lean mass
- • Anti-aging & recovery
- • Anti-aging & longevity
- • Improved sleep quality
- • Fat loss & body recomposition
- • Recovery from training
Evidence Level
Evidence Level
Moderate— Phase 2 trials, widely used in clinical practice
Moderate— Phase 2 trials, extensive clinical use data
Typical Dosing
Typical Dosing
1–2mg weekly (with DAC) or 100mcg daily (no DAC)
Subcutaneous injection; often paired with ipamorelin
Subcutaneous injection; often paired with ipamorelin
200–300mcg 1–3x daily
Subcutaneous injection, ideally before bed
Subcutaneous injection, ideally before bed
Administration
Administration
Subcutaneous injection, weekly (DAC) or daily (no DAC)
Subcutaneous injection, typically at bedtime
Time to Effect
Time to Effect
1–2 weeks for sleep; 6–12 weeks for body composition
1–2 weeks for sleep; 4–8 weeks for body composition
Side Effects
Side Effects
Water retention, flushing, tingling. Moderate side effect profile.
Minimal — transient headache, water retention. Very well tolerated.
Blood Test
Blood Test
Recommended (IGF-1 baseline)
Recommended (IGF-1 baseline)
Price Tier
Price Tier
$$$
$$$
ProtocolRx
ProtocolRx
✓ We offer this
✓ We offer this
Can You Stack Them?
Ipamorelin + CJC-1295 — The GH Synergy Stack
The most popular GH peptide combination. CJC-1295 amplifies the GHRH signal while ipamorelin triggers clean GH pulses. Together they produce greater GH release than either alone.
Which One Should You Choose?
Choose CJC-1295 if you...
- ✓Want sustained, elevated GH levels
- ✓Prefer less frequent injections (weekly with DAC)
- ✓Want to stack with a secretagogue like ipamorelin
- ✓Are focused on body recomposition
- ✓Want enhanced deep sleep
Choose Ipamorelin if you...
- ✓Want anti-aging benefits from growth hormone
- ✓Have trouble sleeping or want deeper sleep
- ✓Want fat loss without muscle loss
- ✓Prefer a gentle, selective GH peptide
- ✓Want to avoid cortisol or appetite spikes
Not sure which is right for you?
Take our quiz and we'll recommend the right compounds for your specific goals and health profile.
Build Your Protocol →