CJC-1295 (No DAC)
Benefits
About CJC-1295 (No DAC)
CJC-1295 without DAC (also called Mod GRF 1-29) is a short-acting GHRH analog that produces natural, pulsatile growth hormone release. Unlike the DAC version, it has a short half-life (~30 min), which means it stimulates a GH pulse that mimics the body's natural rhythm. It's most commonly stacked with Ipamorelin for synergistic GH release without cortisol or prolactin spikes.
Who Should Consider CJC-1295 (No DAC)
- Adults over 30 experiencing age-related GH decline (somatopause)
- Athletes and bodybuilders seeking improved recovery and body composition
- Individuals looking to improve sleep quality and depth
- Post-injury patients wanting faster tissue repair
- Those who prefer natural pulsatile GH release over sustained elevation
How CJC-1295 (No DAC) Works
CJC-1295 (No DAC) binds to the GHRH receptor on pituitary somatotroph cells, amplifying the natural growth hormone pulse. Its short half-life (~30 min) means it triggers a sharp GH spike that closely mimics natural physiology, rather than sustaining elevated levels. When combined with a GHRP like Ipamorelin, it amplifies the GH pulse that Ipamorelin triggers.
What to Expect
Improved sleep quality and more vivid dreams. Some users report mild water retention and occasional facial flushing after injection.
Noticeable improvements in recovery time between workouts. Skin hydration and texture begin to improve. Increased morning energy.
Body composition shifts become apparent — reduced abdominal fat and improved muscle tone. Joint and connective tissue comfort improves.
Full anti-aging and recovery benefits are established. Sustained fat loss, better exercise capacity, and improved skin elasticity.
Benefits plateau at this stage. Cycle off for 4 weeks to maintain pituitary receptor sensitivity before restarting protocol.
Dosing Protocol
| Level | Dose / Injection | Frequency |
|---|---|---|
| Beginner | 100mcg | Daily |
| Moderate | 100mcg | 2x Daily |
| Aggressive | 200mcg | 2x Daily |
Note: Mod GRF 1-29. Best stacked with Ipamorelin. Produces natural GH pulse. Dose on empty stomach.
How to Inject CJC-1295 (No DAC)
Inject subcutaneously on an empty stomach (no food 1 hour before or 30 minutes after). Best timing is before bed or post-workout. Inject at the same time as Ipamorelin if stacking.
Cycling Protocol
Cycle to prevent pituitary desensitization. Some users run 5 days on, 2 days off weekly.
Pharmacokinetics
Source: CJC-1295 without DAC (Mod GRF 1-29) t½ ~30 min; rapid clearance drives need for multiple daily injections (Teichman et al. 2006 PMID 16352683)
Loading the interactive decay curve.
Side Effects
Facial flushing, headache, dizziness (usually brief). Injection site irritation. Best taken on empty stomach.
Contraindications
- Active cancer or history of malignancy — GH promotes cell proliferation
- Diabetes mellitus — GH antagonizes insulin and may worsen blood sugar control
- Pregnancy or breastfeeding
- Active pituitary tumors or intracranial neoplasms
- Known hypersensitivity to GHRH analogs
- Untreated hypothyroidism — may blunt GH response
Drug Interactions
- Insulin and oral hypoglycemics — GH release antagonizes insulin action; monitor blood glucose closely
- Corticosteroids — chronic use may blunt GH response and reduce efficacy
- Other GH secretagogues (GHRP-2, GHRP-6, Ipamorelin) — additive GH release increases side effect risk; use caution when stacking
- Thyroid hormones — GH can accelerate T4-to-T3 conversion; monitor thyroid function
- CYP3A4-metabolized drugs — GH may alter hepatic clearance rates
Storage & Stability
Molecular Profile
Related Peptides
References
- Prolonged Stimulation of GH and IGF-I Secretion by CJC-1295 in Healthy AdultsPubMed 16352683
- Identification of CJC-1295 as a Long-Lasting GRF Analog via hGRF(1-29)-Albumin BioconjugatesPubMed 15817669
- Pulsatile Secretion of GH Persists During Continuous Stimulation by CJC-1295PubMed 17018654
- GH-Releasing Hormone-(1-29) Twice Daily Reverses Decreased GH and IGF-I Levels in Old MenPubMed 1379256
- Effects of a GHRH Analog on Endogenous GH Pulsatility and Insulin Sensitivity in Healthy MenPubMed 20943777