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Dosage GuideResearch Reference

CJC-1295 DAC Dosage

Research-based dosing protocols, timing guidance, and reconstitution reference for CJC-1295 DAC. All information is for educational purposes only.

Quick Answer

CJC-1295 DAC is typically administered at 2 mg per injection, once weekly via subcutaneous injection. Some protocols use 1 mg twice weekly. No human clinical dose-ranging trials have been completed with modern formulations. Dosage considerations include individual response, goals (e.g., muscle gain, anti-aging), and potential side effects.

Standard Dosage Range

Research dosing range: 1–2 mg per week (single or divided doses)

Educational reference only

These dosage ranges are derived from preclinical research and community protocols. No human clinical dose-ranging trials have established therapeutic doses for most research peptides. Always consult a qualified healthcare provider before starting any peptide protocol.

Dosage by Use Case

Growth Hormone Increase / Anti-Aging

1-2 mg1× weekly
Duration

8–12 weeks

Subcutaneous injection. Monitor IGF-1 levels periodically to assess response and avoid supraphysiological levels. Consider cycling off after 12 weeks to assess endogenous GH production.

Muscle Growth / Body Composition

1 mg2× weekly
Duration

8–12 weeks

Subcutaneous injection. May be combined with other peptides (e.g., GHRP-6, Ipamorelin) for synergistic effects. Ensure adequate protein intake and resistance training.

Enhanced Recovery

1 mg1× weekly
Duration

4–8 weeks

Subcutaneous injection. Consider in conjunction with adequate rest, nutrition, and other recovery modalities. Monitor sleep quality and overall well-being.

Timing & Frequency

Injections are typically administered at night before bed to align with natural circadian GH release patterns. The long half-life of CJC-1295 DAC (8 days) provides sustained GH elevation irrespective of injection timing.

Cycle Guidance

Common practice involves 8–12 week cycles followed by a 4–8 week break to assess endogenous GH production and mitigate potential desensitization. CJC-1295 DAC does not directly suppress endogenous GH production, but prolonged, supraphysiological GH levels may lead to feedback inhibition.

Reconstitution Reference

Quick reference for reconstituting CJC-1295 DAC. For custom vial sizes and concentrations, use the Reconstitution Calculator.

Common Vial SizeTypically 2 mg per vial
BAC Water Volume1 mL bacteriostatic water for 2 mg/mL concentration
Concentration & DrawAt 2 mg/mL: 1 mg = 0.5 mL (50 units on a 100-unit insulin syringe)
StorageRefrigerate at 2–8°C after reconstitution. Keep lyophilized powder at room temperature or refrigerated.
StabilityReconstituted solution stable up to 30 days refrigerated. Lyophilized powder stable 12–24 months per manufacturer specifications.
Use the Reconstitution Calculator → for precise injection volumes based on your exact vial size, water volume, and desired dose.

Frequently Asked Questions

What is the typical CJC-1295 DAC dosage for anti-aging purposes?
The most common dosage is 1-2 mg administered once weekly. Monitor IGF-1 levels to assess response and adjust dosage as needed. Consult with a healthcare professional before starting CJC-1295 DAC.
How often should I inject CJC-1295 DAC?
Due to its long half-life (approximately 8 days), CJC-1295 DAC is typically injected once per week. Some individuals split the weekly dose into two smaller injections for potentially more stable GH levels.
Can I combine CJC-1295 DAC with other peptides?
Yes, CJC-1295 DAC is commonly combined with GHRPs (Growth Hormone Releasing Peptides) such as Ipamorelin or GHRP-6 for synergistic GH release. However, be aware of the potential for increased side effects.
What are the potential side effects of CJC-1295 DAC?
Potential side effects include injection site reactions (redness, swelling), increased hunger, water retention, joint pain, and elevated prolactin levels. More serious side effects are rare but possible. Monitoring bloodwork is recommended.

Last updated: 2026-02-19