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Onyx Research CJC-1295: No DAC, DAC and the ipamorelin blend
Onyx Research CJC-1295 comes three ways: No DAC 5mg, DAC 5mg and a 5mg plus 5mg blend with ipamorelin. This guide explains the difference and how each one tests.
What is Onyx Research CJC-1295?
Onyx Research CJC-1295 is a modified form of GHRH(1-29), the first 29 amino acids of growth hormone releasing hormone, which is all the hormone needs to work. Four amino acid swaps protect it from enzymes, so it lasts longer than sermorelin. That version is CJC-1295 No DAC, also called Mod GRF 1-29.
CJC-1295 DAC adds a lysine carrying a maleimide linker, the drug affinity complex made by ConjuChem in Montreal. In the blood that linker binds albumin, and the half-life jumps from minutes to about a week.
CJC-1295 No DAC vs DAC
- CJC-1295 No DAC 5mg: short-acting, a pulse that resembles natural GHRH. $55, tested at 99.156%.
- CJC-1295 DAC 5mg: long-acting, raises baseline GH for days. $80, tested at 99.185%.
- CJC-1295 No DAC and Ipamorelin blend: 5mg of each in one vial. $89, tested at 99.55%.
Teichman and colleagues reported in 2006 that single injections of the DAC version raised GH for about six days and IGF-1 for up to two weeks in healthy adults. Most published human data are on the DAC form. The PubMed search for CJC-1295 lists the studies.
Onyx Research CJC-1295 with ipamorelin
Growth hormone release needs two signals. GHRH starts the pulse, and ghrelin, through the GHS-R1a receptor, makes it bigger. CJC-1295 covers the first and ipamorelin the second, which is why the pair is the standard starting point in GH studies. Freedom Diagnostics found 5.39mg of ipamorelin and 5.67mg of CJC-1295 in the blend vial it tested.
For a GHRH analog with human trial data, see our tesamorelin guide. All of these sit in our growth hormone peptides category.
Onyx Research CJC-1295 options
CJC-1295 No DAC 5mg$55
CJC-1295 DAC 5mg$80
CJC-1295 No DAC and Ipamorelin Blend 10mg$89
Ipamorelin 10mg$90Mixing and storing CJC-1295
A 5mg vial mixed with 2mL of bacteriostatic water gives 2.5mg per mL. Add the water slowly and swirl. Keep sealed vials frozen and mixed vials in the fridge for up to about four weeks.
Which Onyx Research CJC-1295 to buy
Onyx Research CJC-1295 No DAC is the right pick when a study wants to copy the body’s own short GHRH pulses. It’s also the cheapest of the three. CJC-1295 DAC fits work on sustained GH and IGF-1 levels, where a single dose lasting days is the point. The blend fits studies that want the strongest pulse from one vial.
Mixing two single vials gives the same pair as the blend, but you’d pay $55 for CJC-1295 No DAC plus $90 for ipamorelin 10mg, against $89 for the 5mg plus 5mg blend. Single vials make sense when you need to change the ratio or run one compound as a control.
Whichever you pick, note that the DAC and No DAC versions aren’t interchangeable in a protocol. Their timing is completely different, so label mixed vials clearly.
Onyx Research CJC-1295 FAQ
What’s the difference between CJC-1295 No DAC and DAC?
The DAC version carries a linker that binds albumin, stretching its half-life to about a week. No DAC lasts minutes and gives a short pulse.
Which Onyx Research CJC-1295 has a COA?
Both. Freedom Diagnostics measured No DAC at 99.156% and DAC at 99.185%. The CJC-1295 and Ipamorelin blend tested at 99.55%.
Why pair CJC-1295 with ipamorelin?
They hit the two receptors that start a growth hormone pulse, GHRH and ghrelin. Together they give a bigger pulse than either alone.
How much is Onyx Research CJC-1295?
CJC-1295 No DAC 5mg is $55, DAC 5mg is $80 and the blend is $89.
Order Onyx Research CJC-1295
In stock and shipped free on every order. CJC-1295 No DAC and Ipamorelin Blend 10mg starts at $89.
Onyx Research products are sold for laboratory research use only. They aren’t for human or veterinary use and haven’t been evaluated by the FDA.