← Encyclopedia Growth Hormone Secretagogues & Analogues

CJC-1295 with DAC

🔹 What is CJC-1295 with DAC?

Class: Synthetic peptide—growth hormone-releasing hormone (GHRH) analogue with Drug Affinity Complex (DAC) modification to extend half-life. Mechanism: Stimulates the pituitary to release endogenous growth hormone (GH) by binding to GHRH receptors. DAC modification prolongs plasma half-life, allowing sustained GH release over 6–8 days per injection. Enhances IGF-1 production indirectly, supporting anabolic, regenerative, and metabolic pathways. DAC’s binding is >90% to serum albumin, and a measurable concentration persists 6–8 days after just a single dose, elevating both GH and IGF-1 for several days after one administration. Primary focus: Increase GH and IGF-1 levels, support muscle growth, fat metabolism, recovery, tissue repair, anti-aging effects, and overall anabolic resilience.


🔹 Oral Dosage (least common) Range studied/used in research: Oral administration is ineffective due to peptide degradation in the GI tract. Typical protocol: Oral forms are not used; subcutaneous injection is required for reliable absorption. Notes: DAC modification makes weekly injections possible, improving compliance and reducing dosing frequency.


🔹 Sublingual Troche Dosage Range: CJC-1295 500 mcg troche. Typical protocol: Dissolve 1 troche daily under the tongue nightly. Notes: An alternative delivery route to weekly subcutaneous injection.


🔹 Injectable / Subcutaneous Dosage (most common) Range: Commonly used at 1–2 mg per week subcutaneously in clinical and anecdotal settings. Some protocols start at 0.5 mg/week to assess tolerance. Frequency: Typically once weekly due to DAC’s extended half-life. Rationale: DAC prolongs GH release, reducing the need for daily injections while maintaining stable IGF-1 and GH levels. Injection tip: Inject slowly after the jab—the medication is received by the pituitary very quickly, and injecting slowly helps reduce facial flushing, feeling warm, and rare, short-lived tachycardia.


🔹 Cycle Length Common cycle length: 8–12 weeks is typical for performance or regenerative purposes, though longer use is reported in anti-aging contexts. Off-cycle: 2–4 week breaks may be used to assess pituitary response, IGF-1 levels, or receptor sensitivity. Note: DAC prolongs action, so dosing adjustments are slower than non-DAC GHRH analogues.


🔹 Optimal Dosing Window Injectable / Subcutaneous: Any time of day, though some users prefer evening dosing to coincide with natural GH peaks during sleep. DAC modification allows flexible timing without compromising effect.

Clinical pearl: Because DAC produces sustained elevation, it can bring the IGF-1 response above normal physiologic levels. This can be advantageous short-term for specific goals like burns or significant soft-tissue injury recovery post-surgery, but represents a different profile than the more pulsatile release seen with shorter-acting secretagogues.


Educational Integration Example (injectable) Example protocol: 1 mg subcutaneous injection once weekly for 10 weeks. Adjust dose based on IGF-1 monitoring and clinical goals. Pair with: Resistance training, adequate protein intake, sleep optimization, and recovery-supporting supplements to maximize anabolic and regenerative benefits.


🔹 Common Combination Products Some compounding pharmacies offer CJC-1295 pre-blended with Ipamorelin in a single vial or troche (e.g., 4mg/4mg or 5mg/9mg combination formulations), dosed together on a 5 days on/2 days off schedule. This is a practical, ready-made combination product some pharmacies provide, complementary to—not a replacement for—the individualized Stacking Strategy below.


🔹 Stacking Strategy (Educational) Since CJC-1295 with DAC targets GH/IGF-1 pathways, stacks focus on anabolic support, tissue repair, fat metabolism, and anti-aging: 🔸 Anabolic & Fat Loss Support

  • Ipamorelin or other GHRPs: Enhance GH pulses and synergize with CJC-1295 for amplified GH/IGF-1 output.
  • AOD-9604: Complementary fat metabolism support through GH-fragment lipolytic activity.

🔸 Recovery & Regenerative Health

  • BPC-157 or TB-500: Supports tissue repair and connective tissue resilience.
  • Collagen peptides: Enhance musculoskeletal and joint recovery.

🔸 Longevity / Metabolic Optimization

  • NAD⁺ precursors (NMN/NR): Support mitochondrial function and metabolic health.
  • Sleep and lifestyle optimization: Critical for GH-mediated regenerative benefits.

Studied in Humans? Yes

FDA Approved? No

Allowed for 503a Compounding Pharmacy? No

Disclaimer: Do not rely on any dosing information provided, this is for educational and research only. Always double and triple check alternative references for education. Please consult with healthcare provider for your specific dosing and protocol if applicable.