Of all the combinations investigated on the growth hormone pathway, CJC-1295 with Ipamorelin is one of the most frequently studied. What makes this particular pairing interesting to researchers, and how is it approached? This guide explains.
Key points
- CJC-1295 is a GHRH analogue; Ipamorelin belongs to the GHRP family and acts via the ghrelin receptor.
- Because they work through different pathways, research asks whether combining them has a complementary effect.
- Ipamorelin is regarded as relatively selective compared with older GHRPs.
- Combination products usually use CJC-1295 without DAC (Mod GRF 1-29).
Two routes to the same axis
The rationale for the pairing is to bring together two complementary approaches to stimulating the growth hormone axis:
- CJC-1295 — an analogue of GHRH, the hormone that signals growth hormone release.
- Ipamorelin — a member of the GHRP family that acts through the ghrelin receptor and is considered comparatively “clean”, or selective.
Since each compound works through a separate mechanism, researchers examine whether using them together produces a complementary effect.
Why Ipamorelin in particular?
Ipamorelin is often preferred because research has characterised it as relatively selective — that is, producing less “noise” in other systems than earlier GHRPs. That profile has made the pairing a popular choice in research settings.
DAC or no DAC?
Combination versions typically use CJC-1295 without DAC (Mod GRF 1-29), which has a short, focused period of activity. For a full explanation of the two forms, see our guide to CJC-1295 with and without DAC.
Frequently asked questions
What is the difference between GHRH and GHRP?
They are two families of compounds that stimulate growth hormone through different mechanisms — which is precisely why they are studied together.
In what form is it supplied?
As a powder, which is usually reconstituted in the laboratory with bacteriostatic water. Our peptide calculator helps with concentration arithmetic.
Where are the product details?
See the CJC-1295 + Ipamorelin product page. For more background, read our general guide to peptides.
Research use only
All Evil Peptides products are supplied strictly as reference materials for laboratory research. They are not medicines, are not intended for human or veterinary use, and nothing in this article should be read as medical advice or as a claim about effects in people.