CJC-1295

Synthetic GHRH analog, sold for laboratory research.

29: residues
1: size
HPLC: purity, third-party tested

$50per vial

Identity

What CJC-1295 is

CJC-1295 started life as a copy of the first 29 building blocks of growth hormone-releasing hormone, the natural signal that tells the pituitary gland to release growth hormone, with one added trick. The original version was chemically tagged so it would stick to albumin, a protein always floating in the blood, the way a magnet stuck to a passing truck gets a free ride and stays in circulation far longer than it would alone. That long-acting, albumin-binding version is technically distinct from 'CJC-1295 without DAC,' a shorter form of the same core molecule that behaves more like a quick, short-lived growth hormone signal.

CJC-1295 is a synthetic ghrh analog of 29 amino acid residues. SBz Industries sells it for laboratory research.

Residue count: 29
Compound class: Synthetic GHRH analog
Appearance: White lyophilized powder
Solubility: Soluble in bacteriostatic water
Storage: Lyophilized: -20C, protected from light. Reconstituted: 2-8C.
Available sizes: 10 mg

Research

What the research has looked at

In plain terms, with a link to every study. The most useful thing to notice is what each study was done in.

The classic, most-cited CJC-1295 research, including the original discovery paper and the only published human trials, was done using the long-acting, albumin-binding version. The shorter 'without DAC' form most commonly sold under the CJC-1295 name today doesn't appear to have its own separately published human or animal trial.

rats2005

Chemists built several versions of the growth-hormone-releasing hormone fragment, each carrying a different chemical tag meant to bind albumin, then tested them in pituitary cells grown in a dish and in rats. The version that became known as CJC-1295 caused a much larger release of growth hormone than the untagged fragment and stayed detectable in rat blood for several days instead of clearing within minutes.

Human growth hormone-releasing factor (hGRF)1-29-albumin bioconjugates activate the GRF receptor on the anterior pituitary in rats: identification of CJC-1295 as a long-lasting GRF analog.
Jetté and colleagues, Endocrinology

people2006

Healthy adult volunteers received injections of CJC-1295 or a placebo in two separate trials, and researchers tracked their blood growth hormone and IGF-1 levels for weeks afterward using repeated blood draws. A single injection raised growth hormone levels for six days or more and IGF-1 levels for over a week, and repeated injections kept IGF-1 elevated for up to four weeks after the last one.

Prolonged stimulation of growth hormone (GH) and insulin-like growth factor I secretion by CJC-1295, a long-acting analog of GH-releasing hormone, in healthy adults.
Teichman and colleagues, Journal of Clinical Endocrinology & Metabolism

Each study links to its record on PubMed, the US National Library of Medicine database. Checked 25 September 2026.

Handling

Mixing and storage

Lyophilized: -20C, protected from light. Reconstituted: 2-8C.

Full handling guide

01
Let it warm up
Give the vial twenty minutes on the bench before opening it, so water does not condense onto the powder.
02
Add bacteriostatic water
Slowly, down the inside wall of the vial, never straight onto the powder.
03
Let it dissolve
Leave it alone until it clears. Do not shake it. Shaking damages the peptide.
04
Refrigerate and use
Once mixed, it breaks down much faster than the dry powder. Keep it cold and dark.

Documentation

Tested before it goes on sale

An independent lab tests every compound we sell. It confirms the compound is what the label says and measures purity by HPLC.

The latest certificate is on the product page, so you can read the result before you order.

See the certificate

More on CJC-1295

CJC-1295 product pageSizes, documentation and the latest certificate.CJC-1295 and Ipamorelin, explainedTwo routes to the same gland, and DAC vs no DAC.What is CJC-1295 + Ipamorelin?A blend that contains CJC-1295.CJC-1295 in the compound referenceStructure, origin and molecular target.AOD-9604 vs CJC-1295Side by side.CJC-1295 vs CJC-1295 + IpamorelinSide by side.How to read a certificate of analysisThe fields worth checking before an order.Reconstitution and handlingDiluent down the glass, never onto the cake.Bacteriostatic waterShelf life, volumes and what the preservative does.Storage, stability and degradationWhat each condition buys, in weeks and months.

Questions

Common questions about CJC-1295

What is CJC-1295?

CJC-1295 started life as a copy of the first 29 building blocks of growth hormone-releasing hormone, the natural signal that tells the pituitary gland to release growth hormone, with one added trick. The original version was chemically tagged so it would stick to albumin, a protein always floating in the blood, the way a magnet stuck to a passing truck gets a free ride and stays in circulation far longer than it would alone. That long-acting, albumin-binding version is technically distinct from 'CJC-1295 without DAC,' a shorter form of the same core molecule that behaves more like a quick, short-lived growth hormone signal. SBz Industries sells it for laboratory research only.

Is 'CJC-1295 without DAC' the same molecule studied in the human trials?

Not exactly. The published human trials used the version with the albumin-binding tag attached, sometimes called 'with DAC,' built specifically to last longer in the blood. The 'without DAC' version lacks that tag and doesn't appear to have been tested on its own in a published human trial.

What does DAC stand for?

Drug Affinity Complex, the industry term for the chemical tag that lets the molecule bind to albumin in the blood and stick around much longer than it otherwise would.

How is CJC-1295 reconstituted?

CJC-1295 ships as a freeze-dried powder. Mix it with bacteriostatic water, added slowly down the inside wall of the vial, and let it dissolve without shaking. The researcher decides the working concentration, not us, and we publish no protocols.

How should CJC-1295 be stored?

Lyophilized: -20C, protected from light. Reconstituted: 2-8C. Vials ship in plain outer packaging with no product name on the outside.

Is CJC-1295 tested, and can I see the results?

Yes. An independent lab tests every compound: it confirms the compound is what the label says and measures purity by HPLC. The latest certificate is on the product page, and you can read it before you order.

Who is permitted to purchase CJC-1295?

Researchers and institutions, 21 or over. By ordering you confirm the material is for laboratory research and will not be used in humans or animals.

Also in research peptides

Research library

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Order

CJC-1295, third-party tested

Every compound is third-party tested, with the certificate on its product page. Every order ships in plain packaging.

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CJC-1295

What CJC-1295 is

What the research has looked at

Mixing and storage

Let it warm up

Add bacteriostatic water

Let it dissolve

Refrigerate and use