CJC-1295 DAC Dosing Protocol: 5 mg Vial — Multi-Week Supply Guide
Extended CJC-1295 DAC supply from the 5 mg vial — provides 2–5 weeks of once-weekly 1–2 mg dosing from a single reconstitution.
Quickstart highlights
CJC-1295 DAC with the Drug Affinity Complex maleimide modification produces serum half-life of 6–8 days via albumin binding, enabling once-weekly GHRH stimulation.
Concentration: 2 mg/mL (5 mg vial + 2.5 mL bacteriostatic water).
At 2 mg/mL: 1 mg = 50 units, 2 mg = 100 units once weekly.
One 5 mg vial covers 5 injections at 1 mg/week or 2.5 injections at 2 mg/week.
CJC-1295 DAC half-life: 6–8 days — once-weekly dosing is sufficient for therapeutic GH elevation.
Refrigerate; use within 28 days.
Dosing table
For educational reference only. Your prescribing provider may adjust doses based on your clinical profile and response.
1-4
1000
50
Once weekly
1 mg — 50 units; 5 mg vial provides 5 weekly doses
5-12
2000
100
2 mg — 100 units; 5 mg vial provides 2.5 weekly doses at this level
Your free CJC-1295 DAC tracker
Dose reminders
Injection logging
Cycle progress
Reconstitution steps
Draw 2.5 mL bacteriostatic water; inject slowly down the vial wall.
Swirl gently until lyophilized powder dissolves; do not shake.
Final concentration: 2 mg/mL. Label with date; refrigerate at 2–8 °C. Use within 28 days.
Note: at 2 mg weekly dosing, one 5 mg vial provides 2 full injections plus one 1 mg partial — plan accordingly.
Supplies needed
8-week plan
2 vials
8 syringes
5 mL bac water
8 alcohol swabs
12-week plan
3 vials
12 syringes
8 mL bac water
12 alcohol swabs
Protocol overview & cycle notes
Provide a multi-week CJC-1295 DAC supply from the efficient 5 mg vial for patients established on once-weekly 1–2 mg dosing protocols, minimizing reconstitution frequency.
Cycle length: 12 weeks on.
Off-cycle: 4–6 weeks off; measure IGF-1 before resuming.
Storage & handling
Injection & tracking tips
CJC-1295 DAC's once-weekly dosing allows injection on any convenient day; maintain consistent weekly interval (±24 hours).
Combine with a daily GHRP (ipamorelin 200 μg at bedtime) for maximum GH axis activation while maintaining the convenient weekly DAC schedule.
The 5 mg vial is most efficient for 1 mg weekly dosing — provides 5 weeks from a single reconstitution.
Tracking
Logging helps you and your provider spot patterns and adjust dose or timing.
Measure IGF-1 at baseline, 4 weeks, and 8 weeks.
Track fasting glucose monthly — sustained GH elevation from DAC formulation may impair insulin sensitivity over time.
Monitor for carpal tunnel symptoms (wrist tingling) — a common early indicator of supraphysiological GH levels.
How this works & references
Sources
Prolonged stimulation of growth hormone (GH) and insulin-like growth factor I secretion by CJC-1295, a long-acting analog of GH-releasing hormone, in healthy adults. Teichman SL et al. — J Clin Endocrinol Metab — 2006
Activation of the GH/IGF-1 axis by CJC-1295, a long-acting GHRH analog, results in serum protein profile changes in normal adult subjects. Sackmann-Sala L et al. — Growth Horm IGF Res — 2009
Frequently asked questions
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