Compound Profile6 min read

CJC-1295 & Ipamorelin: Growth-Hormone Secretagogue Research

CJC-1295 and ipamorelin act on the growth-hormone axis through two different receptors, which is why research often pairs them. Here is the mechanistic background.

CJC-1295 and ipamorelin are studied together because they act on the growth-hormone (GH) axis through two complementary receptors. Understanding why researchers pair them starts with understanding what each one does on its own.

CJC-1295 — a long-acting GHRH analogue

CJC-1295 with DAC (Drug Affinity Complex) is a modified analogue of growth-hormone-releasing hormone (GHRH). The DAC modification lets it bind covalently to albumin, which extends its plasma half-life. Research in animal models reports sustained GHRH-receptor activation and prolonged stimulation of the GH/IGF-1 axis over several days per administration.

Ipamorelin — a selective ghrelin-receptor agonist

Ipamorelin is a growth-hormone secretagogue that acts as a ghrelin mimetic, stimulating pulsatile GH release through the GHSR-1a receptor. A key point in the literature is its selectivity: research highlights that it does not significantly co-stimulate ACTH, cortisol, or prolactin, which distinguishes it from older, non-selective GHRPs.

Why they are studied together

The two compounds engage different receptors — a GHRH receptor and a ghrelin receptor — so research models examine how combining them affects GH-axis signaling versus either alone. The DAC-containing CJC-1295 provides a prolonged baseline of receptor activation, while ipamorelin contributes a pulsatile secretagogue signal.

These are two distinct compounds with different kinetics. Reconstitute and store them separately, and label aliquots carefully to avoid mix-ups.

Laboratory handling notes

Both are supplied as lyophilized powder; reconstitute gently with an appropriate solvent
Store cold and aliquot to limit freeze-thaw cycles
Keep clear, separate labeling for each compound and concentration
Confirm each vial’s lot against its Certificate of Analysis

This article is provided for laboratory and in-vitro research context only. Pulse Peptide Labs products are not for human consumption, diagnostic, therapeutic, or medical use, and nothing here is medical advice.

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