How to reconstitute CJC-1295 and ipamorelin (research context)

Pre-injection checklist

• ✓Research-context note: CJC-1295 and ipamorelin are not approved by the FDA for human use, and this page describes reconstitution technique for educational and research purposes only. Nothing here recommends using any compound, and it is not medical advice.
• ✓Check whether you have two separate powder vials or a single vial pre-blended with both peptides. That decides whether you mix once or twice, and it changes how you track the concentration of each one.
• ✓Read the milligram mass printed on each label, then decide your diluent volume before you touch a needle. The volume you add is what fixes the concentration, and our bacteriostatic water vs sterile water guide explains why the diluent choice matters.
• ✓Let both vials and the bacteriostatic water reach room temperature, then lay everything out on the clean surface.
• ✓Wipe every rubber stopper with an alcohol pad and let it air-dry fully before the needle touches it.

Step-by-step guide

1. 1

   Decide the diluent volume for each peptide

   Work out the volume of bacteriostatic water you will add to each vial and write it down. The volume sets the concentration on its own: 5 mg of powder in 2 mL of water gives 2.5 mg/mL, while the same 5 mg in 1 mL gives 5 mg/mL. If you have a pre-blended vial, one volume covers both peptides at once, so record the milligram amount of each.

   Pro tip

   Always check the fluid is clear and colourless before injection.
2. 2

   Draw the water and run it down the glass wall

   Pull the exact volume you decided into the mixing syringe, insert the needle through the stopper, and let the water trickle slowly down the inside wall of the glass. Do not jet it straight onto the powder, a gentle stream is easier on these fragile peptides.

   Pro tip

   Always check the fluid is clear and colourless before injection.
3. 3

   Swirl each vial, never shake

   Roll or swirl the vial in a slow circle until the powder fully dissolves. Shaking foams the solution and is described in peptide-handling references as a source of degradation. Repeat for the second vial if your peptides came separately.

   Pro tip

   Always check the fluid is clear and colourless before injection.
4. 4

   Inspect both finished solutions

   A correctly reconstituted solution is clear and free of particles. Do not use one that stays cloudy, shows floating flakes, or looks discoloured, our cloudy-peptide troubleshooting guide explains what those signs mean.

   Pro tip

   Always check the fluid is clear and colourless before injection.
5. 5

   Label, date, and refrigerate

   Write the reconstitution date, the peptide, and a beyond-use date on each vial, then store at 2-8 °C. Reconstituted peptide is far less stable than the dry powder, and our guide on how long reconstituted peptide lasts covers the timelines reported in the literature.

   Pro tip

   Always check the fluid is clear and colourless before injection.

After the injection

• Store the reconstituted vials in the refrigerator at 2-8 °C, away from the freezer compartment and the door.
• Use a fresh, sterile needle for every withdrawal, not the mixing needle.
• Drop the mixing needle straight into the sharps container without recapping it.

Common mistakes

Frequently asked questions

Sources

1. FDA. Compounding and the FDA: Questions and Answers.
2. FDA. Certain Bulk Drug Substances for Use in Compounding (503A) - substances under review.
3. USP General Chapter <797>. Pharmaceutical Compounding - Sterile Preparations.
4. Teichman SL et al., 2006. Prolonged stimulation of growth hormone by CJC-1295, JCEM.