CJC-1295 & Ipamorelin Stack: The Complete Guide (2026)

Introduction: Why This Stack Is So Popular

If there's one peptide stack that could be called "the default," it's CJC-1295 and Ipamorelin. Walk into any peptide clinic, anti-aging practice, or optimization-focused medical office, and this combination will be their most prescribed protocol.

Why? Because it hits the sweet spot of effectiveness, safety, versatility, and affordability. It boosts your body's own growth hormone production without the risks of exogenous HGH, supports fat loss AND muscle growth simultaneously, improves sleep quality, and has minimal side effects.

This guide covers everything you need to know about this foundational stack — what it is, how it works, exactly how to dose and time it, what results to expect, and how to stack it with other peptides for even better results.

Understanding the Components

CJC-1295 (Modified GRF 1-29)

CJC-1295 is a synthetic analog of Growth Hormone-Releasing Hormone (GHRH) — the hormone your hypothalamus releases to tell your pituitary gland to produce growth hormone.

Important distinction: There are two versions of CJC-1295:

• CJC-1295 no DAC (also called Modified GRF 1-29 or Mod GRF): Short-acting, produces natural GH pulses. This is the version used in this stack.
• CJC-1295 with DAC: Long-acting version that creates a sustained GH elevation. Less commonly used due to continuous (non-pulsatile) GH release, which is less physiological.

CJC-1295 no DAC amplifies the natural GH pulse when combined with a secretagogue like Ipamorelin. It extends the duration and amplitude of the GH release without creating a constant, non-physiological elevation.

Ipamorelin

Ipamorelin is a Growth Hormone Secretagogue Peptide (GHSP) that acts on ghrelin receptors in the pituitary to trigger GH release. It's the most selective GHSP available, meaning it:

• Releases GH without significantly increasing cortisol (stress hormone)
• Doesn't spike prolactin (which can cause gynecomastia)
• Doesn't dramatically increase hunger (unlike GHRP-6)
• Produces a clean, dose-dependent GH pulse

Why They're Better Together

CJC-1295 and Ipamorelin work through different but complementary mechanisms:

• CJC-1295 (GHRH analog): Amplifies the GH pulse — makes each release bigger and longer
• Ipamorelin (GHSP): Triggers the GH pulse — tells the pituitary to release GH

Used alone, each produces a moderate GH increase. Combined, they create a synergistic effect — the total GH output is greater than the sum of each individually. Think of Ipamorelin as pressing the "release" button and CJC-1295 as turning up the volume.

Benefits of the CJC-1295/Ipamorelin Stack

1. Fat Loss and Body Composition

Growth hormone is one of the body's primary fat-burning hormones. Elevated GH:

• Increases lipolysis (fat breakdown) in adipose tissue
• Shifts energy metabolism toward fat oxidation
• Improves body composition even without dietary changes
• Preferentially reduces visceral fat

Users typically report 1-2 lbs of fat loss per week when combined with proper nutrition and exercise. See our weight loss peptide guide for how this stack compares to other options.

2. Improved Sleep Quality

One of the most consistently reported benefits. Your body's largest natural GH pulse occurs during deep sleep. By timing your dose before bed, you amplify this pulse, which in turn:

• Deepens sleep stages 3 and 4 (slow-wave sleep)
• Improves sleep continuity (fewer awakenings)
• Users report more vivid dreams and feeling more rested

Better sleep alone drives improvements in body composition, recovery, mood, and cognitive function.

3. Muscle Growth and Recovery

GH supports muscle growth through:

• Increased protein synthesis
• Enhanced IGF-1 production (the primary anabolic mediator of GH)
• Faster recovery between training sessions
• Reduced muscle breakdown during caloric deficits

For bodybuilding-specific protocols, see our muscle growth peptide guide.

4. Anti-Aging Effects

GH declines approximately 14% per decade after age 30. Restoring youthful GH levels produces:

• Improved skin elasticity and thickness
• Better hair and nail quality
• Enhanced energy levels and vitality
• Improved cognitive function and mood
• Stronger immune function

5. Injury Healing

Elevated GH accelerates tissue repair of all types — tendons, ligaments, muscles, and bones. Many users add this stack to a BPC-157 protocol for comprehensive healing support.

Dosing Protocol

Standard Dosing

• CJC-1295 (no DAC): 100-300 mcg per injection
• Ipamorelin: 200-300 mcg per injection
• Frequency: Once daily (before bed) or twice daily (morning + before bed)
• Administration: Subcutaneous injection (belly or thigh fat)

Beginner Protocol

• Week 1-2: CJC-1295 100 mcg + Ipamorelin 100 mcg before bed
• Week 3-4: CJC-1295 100 mcg + Ipamorelin 200 mcg before bed
• Week 5+: CJC-1295 100-200 mcg + Ipamorelin 200-300 mcg before bed

Intermediate Protocol (Twice Daily)

• Morning (fasted): CJC-1295 100 mcg + Ipamorelin 200 mcg
• Before bed (fasted 2+ hours): CJC-1295 200 mcg + Ipamorelin 300 mcg

Critical Timing Rules

• Empty stomach required: Food (especially carbs and fats) blunts GH release. Wait 2+ hours after eating before injecting, and don't eat for 30-60 minutes after.
• Before bed is best: Aligns with your natural nocturnal GH pulse for maximum amplification.
• Consistency matters: Same time every day produces the best results.

Reconstitution and Injection Guide

What You'll Need

• CJC-1295 vial (typically 2mg or 5mg)
• Ipamorelin vial (typically 5mg)
• Bacteriostatic water (BAC water)
• Insulin syringes (29-31 gauge, 0.5ml or 1ml)
• Alcohol swabs

Reconstitution

For a 5mg vial of either peptide with 2.5ml BAC water: