What is CJC-1295 with DAC?

What the compound is

CJC-1295 with DAC is a laboratory-made peptide sold in the growth hormone secretagogue category. It arrives as a freeze-dried powder in a sealed glass vial and has to be mixed with liquid before any volume can be measured out of it.

The "with DAC" part refers to a chemical modification added to the peptide chain. It distinguishes this version from the unmodified form sold under the same base name, and the two are not interchangeable as products. The modification was designed to change how long the molecule persists in circulation. This site does not hold data adequate to describe that behavior, quantify it, or confirm it in humans, so nothing further is claimed about it here.

What follows is arithmetic. Vial mass divided by water volume gives concentration. That calculation is the same for any powdered peptide and says nothing about what the compound does.

Regulatory status

CJC-1295 with DAC is not approved by any regulator for human use. There is no approved label, no approved indication, no approved dose, and no approved route. Nothing has been reviewed and cleared by a medicines agency.

That absence has a practical consequence. When a compound is approved, the label carries figures a regulator has examined: dosing, contraindications, interactions, warnings. None of that exists for this compound. Material circulating online that resembles a label is not one.

This page has no medical review behind it. It cannot tell you whether the compound is safe, whether it works, what would happen if you used it, or whether you should. Those are clinical questions and this is a calculator.

What is not known

We hold no reliable human pharmacokinetic data for CJC-1295 with DAC. That means this site makes no claim about its half life, how long it takes to clear, whether repeated administration causes it to accumulate, or how any of that would interact with a schedule.

This matters for how you read the numbers below. Concentration arithmetic is closed and verifiable. Divide a known mass by a known volume and the answer is fixed. Timing arithmetic is not available, because the inputs it would require do not exist in any form this site is willing to state.

If you encounter a source giving confident half life figures for this compound, treat the confidence itself as a warning sign. Numbers of that kind are easy to write and hard to substantiate.

Reading the concentration table

The table on this page covers the two vial sizes sold, 2 mg and 5 mg, against the three water volumes commonly used, 1 mL, 2 mL and 3 mL. Each cell is the resulting concentration in mg per mL.

Three things are worth noticing. First, the powder mass in the vial never changes when you add water. Adding more water does not create more compound; it spreads the same mass through a larger volume. A 2 mg vial holds 2 mg whether you put 1 mL or 3 mL into it.

Second, concentration and water volume move in opposite directions. The 2 mg vial reconstituted in 1 mL gives 2 mg/mL. The same vial in 2 mL gives 1 mg/mL. Double the water, half the concentration. The same pattern holds across the 5 mg row.

Third, the 3 mL columns produce figures that do not land on round numbers: 0.67 mg/mL and 1.67 mg/mL. These are rounded. Repeating decimals like these are where measurement error tends to enter, because a reader converting them into syringe graduations has to round a second time. Water volumes that give clean concentrations are easier to work with, which is the entire reason people choose 1 mL or 2 mL over 3 mL.

Using the number you get

Once you have a concentration in mg/mL, any volume drawn from the vial corresponds to a mass. That conversion is the only thing the table supports. It does not tell you what volume to draw.

The amounts appearing in vendor listings for this compound are 1 mg and 2 mg. Those are listing figures, recorded here as observed market data. They are not recommendations, they carry no regulatory backing, and this site does not endorse them or convert them into a schedule.

One practical point about the vial itself. Reconstituted peptide occupies the same vial for however long it is kept, and the concentration you calculated on day one is the concentration you are drawing from later, assuming nothing was added. If you write the concentration on the vial when you mix it, you remove the most common source of error, which is arithmetic redone from memory weeks later.

What we do not know

We hold no reliable human pharmacokinetic data for CJC-1295 with DAC, so this site makes no claims about its half life, how long it takes to clear, or how it accumulates. The arithmetic below concerns concentration and volume only.

This page answers arithmetic and handling questions. It does not tell you what dose to take, what to expect, or whether anything is appropriate for you, and there is no medical review behind it.

Common questions

Is CJC-1295 with DAC approved by the FDA?

No. It is not approved by any regulator for human use. There is no approved label, indication, or dosing guidance for it anywhere. Anything presented as official prescribing information for this compound is not that.

What is the half life of CJC-1295 with DAC?

This site does not state one. We hold no reliable human pharmacokinetic data for this compound, so we make no claim about its half life, clearance, or accumulation. The calculations here cover concentration and volume only.

What is the difference between CJC-1295 with and without DAC?

They are different molecules. The DAC version carries an additional chemical modification to the peptide, and products are sold separately under the two names. This page covers the DAC version only, and its numbers should not be applied to the other form.

How much water should I add to the vial?

That is your choice, and the table shows what each choice produces. More water gives a lower concentration of the same total mass. The 1 mL and 2 mL volumes give concentrations that are round numbers, which reduces rounding error when you convert to a syringe volume.

Does adding more bacteriostatic water make the dose weaker?

It makes the solution more dilute, not the vial contents smaller. A 2 mg vial holds 2 mg regardless of water volume. Adding more water means any given volume drawn from the vial contains less peptide, so the volume you would draw for a fixed mass changes.

Can this page tell me whether CJC-1295 with DAC is safe?

No. This site has no medical review and does not answer clinical questions. It cannot tell you whether the compound is safe, whether it works, or what effects to expect. Those questions belong with a qualified clinician.