CJC-1295 No DAC Growth Hormone Releasing Peptide

GH Optimization - GHRH Analog - Muscle & Recovery

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The gold standard GH peptide stack: amplifies endogenous growth hormone pulses to support lean body composition, accelerated recovery, and improved sleep quality

CJC-1295 (No DAC) is a synthetic analogue of Growth Hormone Releasing Hormone (GHRH) with a modified structure that extends its half-life while preserving the natural pulsatile pattern of GH secretion. Unlike the DAC version which creates sustained GH elevation, the No DAC form mirrors the body's natural GH rhythm, making it highly compatible for stacking with GHRPs like Ipamorelin. CJC-1295 No DAC has a half-life of approximately 30 minutes, producing clean, physiologic GH pulses when administered 2-3 times daily.

Preserves natural pulsatile GH rhythm - unlike DAC version that creates sustained blunted elevation
Ideal stack partner with Ipamorelin - synergistically increases GH output far beyond either alone
Supports lean muscle retention, fat metabolism, improved sleep architecture, and tissue recovery

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Why CJC-1295 No DAC Is the Preferred GHRH Analog

CJC-1295 comes in two versions: with and without a Drug Affinity Complex (DAC). The DAC version extends the half-life to 6-8 days, creating a sustained, constant elevation of GH. While this sounds appealing, it disrupts the natural pulsatile pattern of GH secretion that the body relies on for proper receptor sensitivity and IGF-1 regulation. The No DAC version has a half-life of approximately 30 minutes, producing clean, sharp GH pulses that closely mimic the body's own secretion pattern - which is why most researchers and clinicians prefer it for long-term protocols.

When stacked with Ipamorelin (a selective GHRP), CJC-1295 No DAC creates a synergistic effect: CJC-1295 provides the GHRH signal while Ipamorelin amplifies the pituitary response, resulting in GH pulses that can be 4-10 times greater than either peptide alone.

Key Benefits

01Preserves physiologic pulsatile GH pattern - maintains receptor sensitivity over long-term use
02Synergistic with Ipamorelin - the CJC-1295 / Ipamorelin stack is the most researched GH peptide combination
03Supports lean body composition: promotes fat catabolism and lean muscle retention via elevated IGF-1
04Improves sleep architecture - GH pulses during slow-wave sleep enhance recovery and regeneration
05Collagen synthesis support - elevated GH stimulates dermal and connective tissue production

Product Specifications

Peptide Name	CJC-1295 (No DAC) / Mod GRF 1-29
Sequence	H-Tyr-DAla-Asp-Ala-Ile-Phe-Thr-Gln-Ser-Tyr-Arg-Lys-Val-Leu-Ala-Gln-Leu-Ser-Ala-Arg-Lys-Leu-Leu-Gln-Asp-Ile-Met-Ser-Arg-NH2
Molecular Weight	3367.9 g/mol
Half-Life	~30 minutes (No DAC form)
Form	Lyophilized powder for reconstitution
Purity	> 99% (HPLC verified)
Storage	Refrigerate at 2-8C; avoid light
Price	From $35.00 per vial

Results Timeline

Weeks 1-2

GH pulses establish and sleep quality begins to improve. Mild increases in hunger may be noted, reflecting elevated ghrelin signaling and IGF-1 upregulation in the early phase.

Weeks 4-8

Lean body composition changes become apparent. Improved workout recovery, reduced DOMS, and early changes in body fat distribution reflect elevated IGF-1 activity.

Months 3-6

Full protocol benefits accumulate: improved skin texture, lean mass retention, reduced visceral fat, enhanced cognitive clarity, and sustained energy levels throughout the day.

Step 1: Subcutaneous Administration

CJC-1295 No DAC is administered subcutaneously, typically 15-30 minutes before bedtime or training. Reconstituted with bacteriostatic water, it is absorbed rapidly into the systemic circulation and reaches the pituitary gland via the hypothalamic-pituitary portal system.

Step 2: GHRH Receptor Binding

CJC-1295 binds to and activates the GHRH receptor (GHRHR) on pituitary somatotroph cells. This activation stimulates the intracellular cAMP pathway, prompting the synthesis and release of growth hormone. The modified amino acid substitutions in CJC-1295 No DAC protect it from dipeptidyl peptidase IV (DPP-IV) degradation, extending activity beyond natural GHRH.

Step 3: Pulsatile GH Release

The result is a natural, robust GH pulse - amplified compared to endogenous GHRH but preserving the pulsatile pattern essential for receptor sensitivity and downstream IGF-1 signaling. This is fundamentally different from synthetic HGH administration, which creates a supraphysiologic, non-pulsatile GH environment that can suppress endogenous secretion.

Step 4: IGF-1 and Systemic Effects

Elevated GH stimulates hepatic IGF-1 production, the primary downstream effector. IGF-1 mediates the anabolic and lipolytic effects of the protocol: promoting lean tissue synthesis, mobilizing fat stores for energy, supporting connective tissue and collagen production, and enhancing cellular regeneration across multiple tissue types.

Who Benefits Most from CJC-1295?

CJC-1295 No DAC is well-suited for adults experiencing age-related decline in growth hormone secretion - typically beginning in the mid-30s - and seeking to restore more youthful body composition, recovery capacity, and sleep quality through a physiologically compatible peptide protocol. It is also widely used by athletes and fitness professionals for its body recomposition and recovery benefits.

Ideal Candidates

+Adults 30+ experiencing age-related decline in GH: increased body fat, reduced muscle, poor recovery, disrupted sleep
+Athletes and active individuals seeking enhanced recovery, lean muscle support, and improved performance
+Those on longevity and anti-aging protocols prioritizing body recomposition and cellular regeneration
+Individuals preferring physiologic GH stimulation over synthetic HGH administration

Use With Caution

-Individuals with active malignancies - elevated IGF-1 may theoretically support tumor growth
-Those with uncontrolled diabetes - monitor glucose levels as GH can transiently affect insulin sensitivity
-Pregnant or breastfeeding individuals

Consult a licensed healthcare provider before beginning any peptide protocol. See Important Safety Information below.

The DAC (Drug Affinity Complex) version binds to albumin in the blood, extending the half-life from ~30 minutes to 6-8 days. This creates a continuous, blunted GH elevation. The No DAC version preserves the natural pulsatile GH pattern, which most researchers consider safer and more physiologically appropriate for long-term use because it maintains receptor sensitivity and the normal diurnal GH rhythm.

Yes, this is the most commonly recommended combination in GH peptide research. CJC-1295 No DAC provides the GHRH signal that primes pituitary somatotrophs, while Ipamorelin provides the GHRP signal that amplifies the GH pulse. The synergistic effect results in GH output that is significantly greater than either peptide administered alone - often cited as 4-10 times greater depending on the dose and timing.

The most common protocol administers CJC-1295 No DAC 15-30 minutes before sleep and optionally before training. Fasting or a low-carbohydrate state before dosing minimizes insulin's suppressive effect on GH release. Administering at night aligns the peptide-induced GH pulse with the natural nocturnal GH peak that occurs during slow-wave sleep, amplifying the regenerative effects of sleep.

Most protocols run for 3 to 6 months, followed by an off-cycle period. Unlike synthetic HGH, which suppresses endogenous secretion, CJC-1295 No DAC works with the body's existing GH axis. Many researchers report that the beneficial changes in body composition and sleep quality persist for weeks to months after a completed protocol cycle.