CJC-1295 and Ipamorelin: The Stack People Actually Run
Key takeaways
- CJC 1295 is a GHRH analog. The version I run is no DAC (Mod GRF 1-29). Pulse. Same GHRH door as sermorelin, harder to chew.
- Ipamorelin is the GHRP. Ghrelin / GHS-R. The other door on the same somatotroph. That pairing — cjc 1295 ipamorelin — is the stack people actually run.
- DAC is not a sticker. CJC-1295 with DAC binds albumin and lasts days. Limitless sells no DAC. Paramount lists both. I do not crown DAC.
- The search-term GH analog people type first is sermorelin. The class map lives on peptides for muscle growth. This URL owns the CJC/ipa search.
- Education, not a treatment. Not FDA-approved for muscle growth. Full protocols stay in Peptides & Pump Pro ($10/mo, 7-day trial).
Catalogs stamp CJC-1295 on two different objects, then sell the name like it is one GH peptide. No DAC is Mod GRF 1-29, a pulse. With DAC is the albumin-binding analog that lasts days. Same GHRH door. Completely different clock.
I run no DAC. I pair it with ipamorelin — ghrelin / GHS-R, the other lock on the same somatotroph. That pairing, cjc 1295 ipamorelin, is the two-door stack. Grab the DAC analog by accident and you are not holding that pulse pair. Not a steroid. Not HGH.
The GH secretagogue map already lives on peptides for muscle growth. The word beginners type first lives on sermorelin. This page is the CJC/ipa lane. Stay here if you typed the stack and want to know which door, which DAC, and which vial. Start on Start Here if a two-receptor lecture is not day one.
This is education. It is not medical advice. It is not a pitch to buy a cake so you can get jacked. A research-catalog vial is not an FDA-approved GH drug.
What is CJC-1295?
Start with the backbone, not the brand.
Native human GHRH is 44 amino acids. The first 29 are enough for the receptor. Sermorelin is that fragment, unmodified. CJC-1295 no DAC is that fragment with four substitutions so DPP-IV cannot chew it as fast: D-Ala at position 2, Gln at 8, Ala at 15, Leu at 27 so methionine does not oxidize. Catalogs call that tetrasubstituted analog Mod GRF 1-29, or CJC-1295 no DAC, or “CJC-1295 without DAC.”
Same GHRH door as sermorelin. Harder to degrade. Still a pulse. Minutes-to-an-hour story, not a weekly pen. You knock. The somatotroph answers if it can. Somatostatin and the rest of the axis do what they do between knocks.
That is the analog I mean when I say cjc 1295 in a sales sentence. If the label says DAC, keep reading. You are holding a different pharmacokinetic object.
CJC-1295 is not FDA-approved to treat muscle growth, aging, or “low GH vibes” in a healthy adult. It sat in clinical development as a long-acting GHRH analog. That file is not a license for a lyophilized research cake. The literature can be real. The drug label can still be missing. Those can both be true.
What is ipamorelin?
Ipamorelin is a pentapeptide GHS-R agonist. Ghrelin-receptor door. Not GHRH. Not sermorelin with a cooler name. The other lock on the same somatotroph.
Raun, Hansen, Johansen, and colleagues described it in the European Journal of Endocrinology in 1998 as a selective growth-hormone secretagogue. GH release in the animal work without the ACTH / cortisol bump they saw with GHRP-6. You can read that paper on PubMed.
That selectivity is why ipamorelin won the catalog. GHRP-6 can move hunger and cortisol. GHRP-2 is dirtier than marketing remembers. Still a GHS-R agonist. Still a pulse. Still not a steroid.
Short-acting. Often paired with Mod GRF 1-29 because two doors, two short half-lives, one synergistic GH peak. Cyril Bowers spent a career on that synergy. It is real endocrinology. It is also how catalogs ended up selling a two-name blend and calling it a personality.
Two doors, one pulse
You do not need a PhD. You need two receptors and one gland.

| Lane | What it actually is | What the evidence is | What it is not |
|---|---|---|---|
| CJC-1295 no DAC | Mod GRF 1-29. Tetrasubstituted GHRH 1-29. GHRH-receptor door. Pulse. | Same GHRH conversation as sermorelin, with DPP-IV resistance. Short-acting. Limitless sells this one. | Not “sermorelin that lasts a week.” Not CJC-1295 with DAC. Not a steroid. |
| Ipamorelin | Selective GHS-R agonist. Ghrelin-receptor door. The other key. | Raun et al., European Journal of Endocrinology 1998. GH without the ACTH / cortisol bump they saw with GHRP-6. | Not GHRH. Not “cjc 1295 with a cooler name.” |
| cjc 1295 ipamorelin (the stack) | Both doors. Two short-acting analogs. One synergistic GH pulse. | GHRH + GHRP synergy is old physiology. A blend is two molecules in one stopper. Read both names. | Not HGH. Not a protocol. Not a reason to skip the reconstitution math. |
| CJC-1295 with DAC | Drug Affinity Complex. Albumin-binding GHRH analog. Multi-day half-life. | Teichman et al. in JCEM: days of GH / IGF-1 elevation, not a single pulse. Paramount lists this SKU. Limitless does not. | Not the first pick in the featured row. Not a crown. Not “no DAC that lasts longer.” |
You can be interested in all four rows. You cannot mash them into one Reddit caption and call search volume a clinical result.
Synergy is not a protocol. It is a reason the blend exists. Dose, timing, duration: that stays in Pro. Public page is the map.
No DAC vs with DAC
This is the mix-up that wastes the most money. I am going to say it in one place so this URL does not steal the class map from the hub.
No DAC means Mod GRF 1-29. Pulsatile GHRH analog. You are knocking. The gland answers, then it stops answering until the next knock. That is the analog Limitless stocks. That is the analog I pair with ipamorelin.
With DAC means Drug Affinity Complex. A maleimidopropionyl group that binds albumin after injection. Half-life in humans landed around 6 to 8 days in the papers people actually cite. Teichman, Neale, Lawrence, and colleagues in the Journal of Clinical Endocrinology & Metabolism (2006): prolonged GH and IGF-1, not a single nightly pulse. You can find that paper at doi:10.1210/jc.2005-1536.
Those are not stickers. Those are not “the same peptide, different bottle.” If the second name on the blend is DAC, you are not holding the pulsatile pair.
Paramount lists both: CJC-1295 no DAC 10 mg, and CJC-1295 with DAC 10 mg. The DAC listing is linked so you can read the label — the featured cards below stay no-DAC + ipamorelin. Limitless does not sell a with-DAC CJC on this page.
DAC is not crowned here. A multi-day GHRH analog is a different job than a pulse. If you wanted physiology that still looks like a pulse, no DAC plus ipamorelin is the stack. If you wanted a depot, you are in a different conversation, and this page is not going to sell it to you as a shortcut.
Why this is the stack people actually run
Sermorelin won the keyword because it used to be a branded drug. I already said that on the sermorelin page. I will not reprint that lecture so this URL can rank twice.
I prefer CJC-1295 no DAC plus ipamorelin (and tesamorelin, when the job is visceral fat) over sermorelin. Same GHRH door as the search term. Harder to chew. Plus the other door. That is why catalogs sell the blend. That is why this page exists.
Search volume on cjc 1295 is not a protocol. It is a reason to name the analog correctly. If you typed the word because a forum said “run CJC/ipa,” you are holding the stack I actually look at. You are still not holding a treatment. You are still not holding HGH.
None of these sequences is an FDA-approved drug to treat muscle growth. Geref was a labeled product with indications and it was discontinued. Egrifta is a labeled tesamorelin product with an indication. A lyophilized research vial inherits neither.
How a beginner should think about CJC-1295 and ipamorelin
Start with the question, not the vial.
Are you trying to understand the GHRH analog people search as a drug name first? That is sermorelin. GHRH 1-29. The search-term GH analog. Not the analog I run.
Are you trying to understand GH secretagogues as a class? That is peptides for muscle growth. Two doors. DAC versus no DAC. I will not restuff that map so this URL can rank twice.
Are you brand new and a two-receptor lecture is not day one? That is Start Here.
Here is the order I give beginners.
1. Name the door before you name the SKU. GHRH or GHRP. Pulse or depot. If you cannot say which lock you are holding, close the tab.
2. Name whether DAC is in the bottle. No DAC is Mod GRF 1-29. With DAC is albumin-binding. Read the second word. If the blend says DAC, it is not the pulsatile pair.
3. Do not treat a two-name blend as a personality. CJC-1295 no DAC plus ipamorelin is two molecules. The synergy is real. The shopping cart is not a clinician.
4. If a lyophilized cake is even on the table, learn the reconstitution math. How to reconstitute peptides is the public page for BAC water, U-100 ticks, and not wasting 10% of the vial. I will not dump a CJC/ipa protocol next to that math.
A clinician belongs in the loop for anything that sounds like a drug, because some of these molecules are drugs in another bottle, and none of this page is a substitute for that visit. I am not going to tell you to skip a doctor. I am going to tell you to read.
I am also not going to drop a units-and-days protocol on a public page. That is what Peptides & Pump Pro is for. Ten dollars a month. Seven-day trial. This page is here so you understand the stack before you spend money.
Labs for CJC-1295 / Ipamorelin
Education first. You already got the map. This block is the labs I will put my name on, with the codes that fire. Research-use catalog pages. Not a treatment claim. Not a “buy this to get jacked.”
Limitless is the primary partner here for the GH vials they sell. The row leads with CJC-1295 no DAC, ipamorelin, and the blend. They do not list a with-DAC CJC on this page.
Labs for CJC-1295 no DAC + Ipamorelin.
LimitlessIpa + CJC no DAC
LEE20
BioLongevityCJC-1295 / Ipa blend 10 mg
LEE15
Paramount2X blend no DAC + ipa
LEE10
PeptiraIPA/CJC Blend
LEEDAC, labeled separately. Paramount lists CJC-1295 with DAC. Different object. It is linked so you can see the label, not so you treat it as the stack.
Paramount · DACCJC-1295 with DAC 10 mg
LEE10Paramount CJC with DAC 10 mg · DAC, labeled separately
BioLongevity’s CJC / ipamorelin stack is in the cards above (code LEE15). Shop home: LEE15.
Match the product to the job. Do not collect bottles. Do not use a research catalog as a back door to a steroid cycle.
Frequently asked questions about CJC-1295 and ipamorelin
Is CJC-1295 the same as sermorelin?
No. Sermorelin is unmodified GHRH 1-29. CJC-1295 no DAC is tetrasubstituted Mod GRF 1-29. Same door, different stability. The search-term analog lives on the sermorelin page. This page is the stack.
Is CJC-1295 no DAC the same as CJC-1295 with DAC?
No. No DAC is a pulse. With DAC is albumin-binding and lasts days. Limitless sells no DAC. Paramount has both. I do not crown DAC. If the blend says DAC, you are not holding the pulsatile pair.
Why stack CJC-1295 with ipamorelin?
Two receptors on the same somatotroph. GHRH analog plus GHRP. Together they can produce a larger GH pulse than either door alone. That is why people run cjc 1295 ipamorelin. Synergy is not a protocol. Dose and timing stay in Pro.
Is CJC-1295 FDA-approved?
No. Neither CJC-1295 (with or without DAC) nor ipamorelin is an FDA-approved treatment for muscle growth, aging, or adult GH deficiency. A research-catalog vial is not a labeled drug. Geref was sermorelin acetate, and it was discontinued. Do not launder a catalog cake into that history.
Can I just run a CJC/ipa protocol from a forum?
You can do a lot of unwise things. I would not. Name the door. Name whether DAC is in the bottle. Then decide if you even belong in a research catalog. Protocol depth lives in Pro on purpose. This public page is the map, not the marching orders.
The bottom line
CJC 1295 is a GHRH analog. The version I run is no DAC. Ipamorelin is the other door. Together — cjc 1295 ipamorelin — that is the stack people actually run.
It is not HGH. It is not sermorelin. It is not a DAC crown. The class map lives on the muscle-growth hub. The search-term analog lives on sermorelin. Visceral-fat GHRH literature lives on tesamorelin. This URL exists because people type the stack.
Keep the lanes. Read the papers. Do not buy a two-name cake because a caption told you it was the one.
Read next: solo ipamorelin, the search-term GHRH on sermorelin, and tesamorelin when the job is visceral-fat literature instead of a pulse stack.
I built Peptides & Pump so you can get this without a guru tax. If you want the protocol library, member discussions, and a place to think out loud before you spend money, that is Pro. If you are not ready to pay, use the free Knowledge Base first. Then come back and argue with me when you have read more than a caption.
Free guide
Get The Peptide PlaybookEnter your email and we’ll send the research PDF. Education only — not medical advice.
Keep going on Peptides & Pump
Free is the peptide community. Pro is where you master it. Codes are the links. Click them so the discount fires.
Free
Knowledge Base
The peptide community · 2,500+
- 2,500+ member peptide community
- Sourcing questions before you buy anything random
- The basics, from people actually using peptides
Pro
Peptides & Pump Pro
$10/mo · 7-day trial
- Science-backed protocol library
- 1-on-1 support from Lee and Matt
- Step-by-step video, plus a monthly $500 drawing
LEE20 Limitless LEE15 BioLongevity Paramount LEE Peptira LEE10 S1
Next reads
Supplier footnote: Research suppliers I mention when people ask about CJC-1295 and ipamorelin: Limitless (code LEE20), Paramount, Peptira (code LEE), and S1 Research (code LEE10). BioLongevity home: LEE15. Limitless does not list a with-DAC CJC on this page. Match the product to the job. Do not collect bottles.
Disclaimer. This article is for educational and research purposes only. It is not medical advice. It is not intended to diagnose, treat, cure, or prevent any disease. CJC-1295 (with or without DAC) and ipamorelin are not FDA-approved for muscle growth or for any indication discussed on this page. Sermorelin acetate (Geref) was an FDA-approved GHRH 1-29 product that was later discontinued; a research-catalog vial is not that labeled drug. Tesamorelin (Egrifta) is FDA-approved to reduce excess abdominal fat in adults with HIV-associated lipodystrophy; that is a different analog and a different conversation. Individual results vary. Always consult a qualified healthcare provider before starting any peptide, drug, supplement, or protocol, especially if you have a medical condition or take prescription medication. Peptides & Pump does not sell peptides.
Affiliate disclosure. Some links on this page are affiliate links. If you buy through them, I may earn a commission at no extra cost to you. Codes LEE15, LEE20, LEE10, and LEE are the ones I actually use. That commission is how I keep publishing free education. I only link suppliers I am willing to put my name on.

One Comment
Comments are closed.