CJC-1295 (without DAC) / Mod-GRF 1-29: Dosage, Protocol, and Research Guide
Short-acting growth hormone releasing hormone analog that mimics natural GH pulsatile release
Mechanism
Modified version of GHRH(1-29) with improved stability. Stimulates GHRH receptors in the anterior pituitary for 30 minutes, creating a natural pulse of GH release that preserves normal feedback mechanisms.
Protocol at a glance
| Starting dose | 100mcg |
|---|---|
| Maintenance dose | 100-300mcg |
| Maximum dose | 300mcg |
| Frequency | 2-3 times daily |
| Typical duration | 8-12 weeks with cycling |
| Route | Subcutaneous |
| Injection site | Abdomen or thigh |
| Timing | Before meals and bedtime on empty stomach |
Side effects
- Mild injection site reactions
- Temporary flushing
- Headache
Contraindications
- Active cancer
- Pregnancy
- Severe organ dysfunction
Protocol notes
- 30-minute half-life provides natural pulsatile GH release
- More frequent dosing required than DAC version
- Better mimics natural GH secretion patterns
- Often stacked with GHRP peptides like Ipamorelin
- Less side effects compared to DAC version
- Take at least 20 minutes before meals for optimal absorption
Frequently asked questions
What is CJC-1295 (without DAC) / Mod-GRF 1-29 used for?
CJC-1295 (without DAC) / Mod-GRF 1-29 has been studied for: Short-acting growth hormone releasing hormone analog that mimics natural GH pulsatile release Mechanism: Modified version of GHRH(1-29) with improved stability. For research purposes only — consult a licensed physician before use.
What is the standard CJC-1295 (without DAC) / Mod-GRF 1-29 dose?
Starting dose in published protocols is typically 100mcg, titrating up to a maintenance dose of 100-300mcg (max 300mcg). Frequency: 2-3 times daily. Route: Subcutaneous. Always confirm with a medical professional.
How is CJC-1295 (without DAC) / Mod-GRF 1-29 administered?
CJC-1295 (without DAC) / Mod-GRF 1-29 is typically administered subcutaneous at the abdomen or thigh. Timing: Before meals and bedtime on empty stomach. Rotate injection sites to avoid tissue irritation.
What are the side effects of CJC-1295 (without DAC) / Mod-GRF 1-29?
Reported side effects include: Mild injection site reactions, Temporary flushing, Headache. Individual responses vary. Contact a healthcare provider if you experience unexpected symptoms.
Who should not take CJC-1295 (without DAC) / Mod-GRF 1-29?
Contraindications in published research include: Active cancer, Pregnancy, Severe organ dysfunction. This is not an exhaustive list — consult a physician before starting any peptide protocol.
How long does CJC-1295 (without DAC) / Mod-GRF 1-29 take to work?
Timelines vary by individual and goal. Published protocols run for 8-12 weeks with cycling. Track doses, side effects, and biomarker changes over time to measure your own response rather than relying on community averages.
How do I track CJC-1295 (without DAC) / Mod-GRF 1-29 with Alethea Health?
Alethea Health lets you log every CJC-1295 (without DAC) / Mod-GRF 1-29 dose, track adherence, sync wearable data (HRV, RHR, sleep), upload lab panels, and correlate changes to your protocol. Free to start — no credit card required.
More Growth Hormone Peptides peptides · All peptide guides · Free dose calculator
Educational reference only — not medical advice. Work with a qualified clinician.