CJC-1295 (with DAC)
CJC-1295 + DAC (Drug Affinity Complex) is a synthetic GHRH (Growth Hormone Releasing Hormone) analog with trans-3,6-dimethyl-octanoyl modification, extending half-life to 6–8 days vs. natural GHRH’s 7 minutes. Binds albumin for continuous pituitary stimulation, yielding 3–10x baseline GH/IGF-1 levels. Researched for GH deficiency, body comp, anti-aging, and recovery—sustained release differentiates from no-DAC pulses.
DAC Advantage: Weekly dosing; steady IGF-1 curve.
Mechanism
- GHRH Receptor: ↑cAMP → GH synthesis/release.
- DAC Extension: Fatty acid → albumin binding → slow dissociation.
- Downstream: IGF-1 ↑ → anabolism, lipolysis.
PK Profile: Peak GH 1–2 days post-dose; trough elevated.
Research Evidence
| Effect | Studies/Outcomes |
|---|---|
| GH/IGF-1 | 2–10x GH AUC, IGF-1 +200–1000% (Phase I, Endocrinol 2006). |
| Body Comp | Fat -10–15%, lean +5–8% (12w, healthy men). |
| Lipids/Bone | LDL ↓20%, BMD ↑ (long-term). |
| Sleep/Recovery | Deep sleep ↑ via GH. |
Protocols (Research Contexts)
| Goal | Dose (mcg/week) | Frequency | Cycle |
|---|---|---|---|
| Bulking/GH | 1000–2000 | 1–2x/week | 12–16w on/4w off |
| Fat Loss | 500–1000 | 2x/week | 8–12 weeks |
| Anti-Aging | 250–500 | Weekly | Long-term |
| Recovery | 500–1000 | 1x/week | PRN |
- Recon: 2ml bac water (5mg vial = 250mcg/0.1ml).
- Timing: Any; consistent day.
- Stack: Ipamorelin (pulse on DAC base), MK-677.
Benefits
- Sustained Anabolism: Protein synthesis ↑.
- Fat Reduction: Visceral target.
- Wellness: Sleep, skin, joints.
- Convenience: Weekly vs. daily.
Side Effects & Safety
| Common | Serious (Manageable) | Mitigation |
|---|---|---|
| Water retention, numbness | Pituitary desensitization | Lower dose, cycle |
| Fatigue, hunger | IGF-1 cancer promotion? | Monitor tumors |
- Desensitization: CJC-1295 + DAC, Rare <2w continuous; pulses prevent.
- Labs: IGF-1 q4w (<350ng/ml target).
Comparisons
| GHRH Variant | Half-Life | Dosing | Pulsatile? |
|---|---|---|---|
| CJC w/DAC | 6–8d | Weekly | No (steady) |
| CJC no-DAC | 30min | 2–3x/day | Yes |
| Sermorelin | 10–20min | Daily | Yes |
| Tesamorelin | 30min | Daily | HIV lipodystrophy |
Status
- Research Chemical: CJC-1295 + DAC, Patented; WADA-monitored.
- Vs. No-DAC: Steady vs. pulse—DAC for compliance.
Disclaimer: Research-only; bloodwork essential.



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