How to reconstitute CJC-1295 5 mg

In this example, 2 mL of bacteriostatic water in a 5 mg CJC-1295 vial gives 2.50 mg/mL. An example 200 mcg amount is then 8.0 units on a U-100 syringe.

This example lands on a syringe line. More water makes a weaker mix and a bigger draw. Less water makes a stronger mix and a smaller one. The amount of CJC-1295 stays the same. Use the diluent and volume specified for your product; the arithmetic alone does not choose them.

What matters first

Example water volume: 2 mL
Resulting strength: 2.50 mg/mL
Example 200 mcg dose: 8.0 U-100 units

How much bacteriostatic water for a 5 mg CJC-1295 vial?

◆ Unique to the 5 mg vialU-100 example draws

Water added	Concentration	Per U-100 unit	Example: 200 mcg =
2 mL	2.50 mg/mL	25 mcg	8.0 units
3 mL	1.67 mg/mL	16.67 mcg	12.0 units

Straight arithmetic: concentration = 5 mg ÷ liquid volume, and 1 U-100 unit = 0.01 mL. The example column shows the math at 200 mcg; it is not a dose recommendation.

The table compares possible concentrations; it does not establish which diluent or volume suits your product. Follow its dispensing instructions.

“Hard to measure” means the example draw is below two U-100 units. “Won’t fit” means it exceeds this syringe’s capacity.

CJC-1295 5 mg vial: example mixing volumes. Each row is what that amount draws on a U-100 syringe. 2 mL makes 2.50 mg/mL, or 25 mcg a unit, and 200 mcg is 8 units. 3 mL makes 1.67 mg/mL, or 16.67 mcg a unit, and 200 mcg is 12 units. The barrel drawn here is filled to 8 units, the draw at 2 mL. The sum is 5 mg divided by the liquid volume. One U-100 unit is 0.01 mL. — The 5 mg vial at 2 mL on a U-100 barrel. 200 mcg fills to 8.0 units, at 2.50 mg/mL.

Medically reviewed by Kenneth Montecillo, MD2026-09-07open the primary sources

What is CJC-1295?

CJC-1295 is a redesigned copy of the hormone that tells your pituitary to release growth hormone. One version bonds to a protein in your blood, which stretches its life from minutes into days.

How many units is a documented dose from this vial?

The table above uses one worked example. These are the published quantities, converted into marks on a U-100 barrel at each listed liquid volume for a 5 mg vial. Where a quantity was never studied by injection, the row says so.

1–2 mg — reported, not studied

1–2 mg a week, split over one or two injections of the drug-affinity-complex version, under the skin. This is reported practice, distinct from the weight-based single and repeated doses in the cited human studies.

Water added	Concentration	Draw, low to high
2 mL	2.50 mg/mL	40.0 to 80.0 units
3 mL	1.67 mg/mL	60.0 to 120.0 unitswon’t fit

indirect evidenceDominikowski A, Rękoś Z, Olejarz M, Szczepanek-Parulska E, Domin R, Ruchała M. The emerging landscape of performance-enhancing peptides modulating GH-IGF1 axis: bridging the gap between clinical evidence and patient self-administration. Front Endocrinol 2026 — tabulates self-reported online dosing patterns beside the clinical doses, stating the reported values must not be read as clinically validated, regulatory-approved or safe · retrieved 2026-08-12

Twenty-five worked doses, with a separate identity question

This vial divides into many draws at the worked amount. A more important problem is that two different molecules can be sold under this name at the same vial strength, so the vial label must identify which one it contains.

3Read the full vial record — 3 notes

The strength on the label cannot separate the two

One version carries a chemical arm that binds it to a blood protein and stretches its life from minutes into days. The other does not. They are sold under one name at identical vial strengths.

Everything below is arithmetic on a mass, and mass is exactly the property the two share. No figure this page produces can distinguish them.

Twenty-five draws is a count, not a permission

No product-specific storage limit is assigned to this example. A count of twenty-five doses does not establish twenty-five weeks of use.

A limit from another ingredient or prepared product cannot fill that gap. The count describes the amount entered, while the appropriate storage instructions would need to describe the exact preparation and container.

Both volumes give whole numbers of units

The reading is a whole number at either listed volume. Adding more water increases the liquid drawn for the same drug amount, but it does not increase the number of doses or extend storage life.

A whole-unit result does not confirm the starting amount. The human study quantities cited alongside it are weight-based, whereas this example uses a fixed mass to demonstrate the conversion.

How do you mix it, step by step?

Wipe both stoppers with an alcohol swab and let them dry.
Check the product’s mixing instructions for the correct diluent and volume before drawing it up.
Let the water run slowly down the inside wall of the CJC-1295 vial, rather than jetting it onto the powder.
Follow the product’s instructions for mixing and checking the solution before use. Do not assume every powder uses the same method.
Store it as the dispensing label directs. What happens after mixing differs by product — some labels direct against refrigerating the mixed solution at all.

What if your water volume is not on the table?

The calculator lets you enter your product’s vial strength and mixing volume, then shows the arithmetic for your syringe.

Open the CJC-1295 calculator →

Where to read next about CJC-1295

The arithmetic on this page is only half the question. These are the pages that carry the other half.

CJC-1295 research, dosing, and approval status

No regulator has approved CJC-1295; the guide separates human studies from reported use.

Take the CJC-1295 arithmetic to any other vial

Concentration, units per draw and draws per vial, including CJC-1295

Find CJC-1295 in the mixing and injection guides

Browse the available mixing and injection guides for more context on CJC-1295.

Where CJC-1295 stands with the regulator, and when

Approval status, proceedings and the date attached to each, with CJC-1295 as one example

3primary sources, each with the day we read it — open the documents used on this page