CJC-1295 (No DAC)

CJC-1295 (without DAC) is a synthetic peptide designed to mimic Growth Hormone-Releasing Hormone (GHRH), stimulating the pituitary gland to naturally produce and release growth hormone (GH). Unlike the DAC version, CJC-1295 (No DAC) has a shorter half-life, making it better suited for more controlled and pulsatile GH release—closer to the body's natural rhythm.

CJC-1295 (No DAC) is a research-only compound and is not approved for medical or therapeutic use. All content is for educational purposes only.

What is CJC-1295 (No DAC)?

CJC-1295 (No DAC) is a synthetic peptide that mimics Growth Hormone-Releasing Hormone (GHRH 1-29), designed to stimulate pulsatile release of natural growth hormone (GH). Unlike its DAC-modified counterpart, this version of CJC-1295 has a shorter half-life (~30 minutes), producing more physiologic GH pulses without prolonged systemic elevation. It is often studied for its effects on recovery, muscle repair, fat metabolism, and anti-aging support.

Potential Benefits Shown in Studies

Boosting natural growth hormone and IGF-1 levels
Supporting lean muscle growth and recovery
Reducing body fat through enhanced metabolism
Improving sleep quality and tissue regeneration
Promoting anti-aging effects on skin and joints
Enhancing energy, strength, and endurance
Supporting cellular repair and immune function

Mechanisms of Action

CJC-1295 (No DAC) operates by:

Binding to GHRH receptors in the pituitary gland
Stimulating natural GH release in pulses, mimicking physiologic secretion
Elevating IGF-1 levels, which mediate many of GH's anabolic effects
Avoiding desensitization due to its shorter active window
Reducing fat mass and supporting lean tissue repair

This version is often used in combination with Ipamorelin to amplify GH release while preserving the body's natural rhythms.

Research Highlights

Mimics Natural, Pulsatile GH Secretion

CJC‑1295 without DAC is a short-acting analog of GHRH that reproduces the body’s natural growth hormone (GH) pulse patterns, with a half-life of around 30 minutes.

Source: pep-pedia

Precise Control Without Receptor Desensitization

Its short duration allows for frequent administration that avoids pituitary down-regulation—a key advantage for maintaining physiologic GH sensitivity.

Source: hkroids

Rapid GH Response & IGF‑1 Pathway Activation

Used in conjunction with GHRP peptides like Ipamorelin, CJC‑1295 (no DAC) can enhance GH pulse amplitude and stimulate downstream IGF‑1 signaling for anabolic effects.

Source: thepeptidereport

Clinical Potential in Muscle Growth, Fat Metabolism & Aging

Clinical and preclinical studies have linked CJC‑1295 (general notes across versions) to increases in GH/IGF‑1, improvements in body composition, sleep, and anti-aging markers—though human data remains limited for No DAC specifically.

Source: peptideinstitute