Growth Hormone

CJC-1295 (No DAC) Dosing & Reconstitution Calculator

Modified GRF 1-29, a short-acting GHRH analog often stacked with Ipamorelin.

TL;DR - CJC-1295 (No DAC) is a growth hormone peptide with a typical starting dose of 100 µg. For a 5 mg vial, add 2 mL bacteriostatic water to yield 2500 µg/mL.
100 µg
Start Dose
5 mg
Vial
2 mL
BAC Water
2500
µg/mL
100 µg draw on a 100-unit insulin syringe
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Track CJC-1295 (No DAC) in Protocol Tracker
Frequently Asked
How do I reconstitute CJC-1295 (No DAC)?
Add 2 mL of bacteriostatic water to a 5 mg vial, injecting slowly down the inside wall. Swirl gently; never shake. This yields a concentration of 2500 µg/mL.
What is the recommended dose of CJC-1295 (No DAC)?
A typical research dose is 100 µg. Consult the ASCEND calculator for your specific vial concentration and draw volume.
How many doses are in a CJC-1295 (No DAC) vial?
A 5 mg vial reconstituted with 2 mL BAC water yields approximately 50 doses at 100 µg each.
How many IU is 100 µg of CJC-1295 (No DAC) on a syringe?
With a 5 mg vial reconstituted in 2 mL bacteriostatic water, the concentration is 2500 µg/mL. For a 100 µg dose: Volume = 100 µg ÷ 2500 µg/mL = 0.04 mL. Draw to the 4 line on a 100-unit insulin syringe. You can adjust these values in the ASCEND calculator for any vial size.
What does a CJC-1295 (No DAC) dosage calculator do?
A CJC-1295 (No DAC) dosage calculator converts your vial size and BAC water volume into an exact syringe draw in IU. Enter your vial strength (5 mg), reconstitution volume (2 mL), and target dose to get the precise line to draw on an insulin syringe.
What is the CJC-1295 (No DAC) reconstitution calculator formula?
Draw volume (mL) = Dose (µg) divided by Concentration (µg/mL). For a 5 mg vial with 2 mL BAC water: concentration = 2500 µg/mL. For a 100 µg dose, the ASCEND calculator gives the exact IU line on your syringe instantly.
Peptide Intelligence
What is the half-life of CJC-1295 (No DAC)?
CJC-1295 without DAC (Modified GRF 1-29) has a half-life of approximately 30 minutes, designed to mimic natural pulsatile GHRH release. It is injected before expected GH pulses, typically upon waking, pre-workout, or pre-sleep.
How does CJC-1295 (No DAC) differ from the DAC version?
The DAC (Drug Affinity Complex) version binds albumin and has a half-life of ~8 days for sustained GH elevation. The No DAC version has a ~30-minute half-life producing pulsatile GH bursts. The No DAC version is generally preferred when mimicking natural GH rhythms.
What is the optimal timing for CJC-1295 (No DAC) injections?
Optimal timing is in the fasted state to avoid insulin-GH antagonism. Common windows: 30–60 minutes before eating in the morning, pre-workout (90+ minutes post-meal), and at bedtime. The pre-sleep pulse is often considered most important for recovery.
Primary Sources
GRF 1-29 Kinetics (JCEM 2006)
Data last reviewed 2026-06-03 · Methodology →
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