Why these two get stacked
If you have spent any time reading about growth-hormone peptides, you have seen CJC-1295 and Ipamorelin named in the same breath. They are the classic pairing for a simple reason: they push on two different levers of the same system. Your body releases growth hormone in pulses, and these two compounds influence that release in complementary ways rather than overlapping ways. That is the whole logic of the stack.
Neither one is growth hormone itself. Both are signaling peptides that nudge your own pituitary to do more of what it already does. That is an important distinction, and we come back to it later when we talk honestly about what to expect.
Research use only. Nothing on this page is medical advice or a recommendation to use either compound. We do not sell peptides. We track third-party vendor prices and per-batch lab data so you can compare honestly. Any mechanism described here refers to how these compounds have been studied, not a protocol for you to follow.
How each one works
The two compounds belong to different families, and that is exactly why they pair well. Here is the plain-English version of each.
CJC-1295: raises the baseline
CJC-1295 is a GHRH analog. GHRH is the natural signal that tells your pituitary it is time to release growth hormone, and CJC-1295 mimics that signal. In practice that means it lifts the overall baseline level of growth hormone the gland is willing to put out. Think of it as turning up the volume the system is set to work at.
Ipamorelin: triggers a clean pulse
Ipamorelin is a GHRP, a growth-hormone-releasing peptide, and it works through a different receptor. Instead of raising the baseline, it triggers a pulse of release. What made Ipamorelin popular is that it is selective: it is known for prompting that pulse without much of the hunger, cortisol, or prolactin spillover that some older GHRPs are associated with. That is the appeal of a clean pulse rather than a messy one.
| Compound | Type | Role in the stack | Best $/mg we track |
|---|---|---|---|
| CJC-1295 | GHRH analog | Raises the baseline GH level | $7.0/mg (Midwest Peptide) |
| Ipamorelin | Selective GHRP | Triggers a clean GH pulse | $4.4/mg (EZ Peptides) |
Why the combination makes sense
The reason people run them together rather than alone comes down to those two levers. CJC-1295 sets a higher baseline for the system to operate at, and Ipamorelin drives the actual pulse on top of that baseline. One raises the ceiling, the other reaches for it. Pulling on both levers at once is generally described as more complete than pulling on either one by itself.
It also helps that they hit separate receptors. Because they are not competing for the same pathway, the thinking is that their effects can add up rather than cancel out, and Ipamorelin's selective profile keeps the combination cleaner than pairings built on older, messier GHRPs. We are describing the rationale qualitatively here, not promising a result. If you want the broader context on how these slot in among other growth peptides, our Sermorelin vs Ipamorelin vs CJC-1295 comparison goes deeper.
DAC vs no-DAC, at a high level
One thing that trips people up: CJC-1295 comes in two versions, and they are not interchangeable. The difference is something called DAC, short for Drug Affinity Complex.
- CJC-1295 with DAC is the long-acting version. The DAC attachment keeps it active in the body far longer, so it leans toward a sustained, slow-release effect.
- CJC-1295 without DAC, often labeled as the short-acting version, clears much faster. It is the one more commonly paired with a GHRP like Ipamorelin, because a faster-clearing GHRH lines up with the idea of a discrete pulse rather than a constant background level.
We are keeping this high level on purpose and not quoting any numbers, because the right version depends on what someone is trying to study, not on a blanket recommendation. The practical point is just this: when you read about CJC-1295, check whether the source means the DAC or the no-DAC form, because they behave differently. Always confirm which version a listing is selling before you compare prices on it.
Who runs it and what to honestly expect
Here is the honest part. This stack is not a shortcut and it is not in the same category as anabolic steroids. It does not flood your system with hormone. It works by nudging your own pituitary, which means the effect is gradual and tied to what your body is already capable of producing.
People drawn to this pairing tend to be researching it in the context of recovery, sleep quality, and body composition over time rather than overnight change. The realistic framing is slow and cumulative, not dramatic. Anyone promising fast, steroid-like results from a GHRH-plus-GHRP stack is overselling it.
- It is not steroids. Different mechanism, different category, different expectations.
- It is gradual. The effect builds over time rather than appearing right away.
- It is capped by your own biology. These peptides amplify your natural release, they do not replace it.
Cost, value, and how it is run
On price, the two compounds are not the same per mg. Below are the cheapest live listings we track for each. Prices move, so always check the live listing before you act.
| Compound | Cheapest listing we track | Best $/mg |
|---|---|---|
| CJC-1295 | Midwest Peptide $69.99 / 10.0 mg | $7.0/mg |
| Ipamorelin | EZ Peptides $44 / 10 mg | $4.4/mg |
Per mg, Ipamorelin is the cheaper of the two right now at $4.4/mg, with CJC-1295 sitting higher at $7.0/mg. Since the stack uses both, your real cost is the pair together, which is why it pays to source each one at its best price rather than buying both from whichever vendor happens to list them. See live listings on the CJC-1295 page and the Ipamorelin page, or run them through the compare tool.
On mixing and timing, we keep this qualitative and do not invent doses. These peptides are reconstituted from lyophilized powder before use, and growth-hormone peptides are generally studied away from food, often on an empty stomach and before bed, since food and a GH pulse do not mix well. For the reconstitution math, the peptide calculator handles the volume per draw so you are not doing arithmetic by hand. We do not publish dosing protocols here.
Frequently asked.
What is the difference between CJC-1295 and Ipamorelin?
They are different types of peptide that influence growth hormone in complementary ways. CJC-1295 is a GHRH analog that raises the baseline level of growth hormone your pituitary releases. Ipamorelin is a selective GHRP that triggers a clean pulse of release without much hunger or cortisol spillover. One raises the ceiling, the other reaches for it, which is why they are stacked together.
What is the difference between CJC-1295 with DAC and without DAC?
DAC stands for Drug Affinity Complex. CJC-1295 with DAC is the long-acting version that stays active far longer for a sustained effect. CJC-1295 without DAC clears much faster and is the version more commonly paired with Ipamorelin, since a faster-clearing GHRH lines up with a discrete pulse. They are not interchangeable, so always confirm which one a listing is selling.
Is the CJC-1295 and Ipamorelin stack like steroids?
No. It is a different category entirely. These peptides nudge your own pituitary to release more of the growth hormone it already produces, rather than flooding your system with outside hormone. The effect is gradual and capped by your own biology. Anyone promising fast, steroid-like results from this pairing is overselling it.
Which one is cheaper per mg?
Right now Ipamorelin is the cheaper of the two at $4.4/mg, versus $7.0/mg for CJC-1295, based on the cheapest live listings we track. Because the stack uses both, it pays to source each one at its best price. Check the live listings, since prices change often.
How do you mix and time them?
We do not publish dosing protocols, and nothing here is medical advice. In general, these peptides are reconstituted from powder before use, and growth-hormone peptides are typically studied away from food, often on an empty stomach and before bed. For the reconstitution math, use the peptide calculator. This page is for research-use comparison only.