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💪 GH Axis & Muscle

Ipamorelin

Selective GH secretagogue · selective ghrelin-receptor agonist

A selective growth-hormone secretagogue researched for stimulating pituitary GH release with minimal effect on other hormones.

Type
Ghrelin receptor agonist
Common sizes
10 mg
Research focus
Selective GH release
Often studied with
CJC-1295 · GHRP-6
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What is Ipamorelin?

Ipamorelin is a pentapeptide that acts as a selective agonist at the ghrelin/growth-hormone secretagogue receptor. Research highlights its stimulation of pituitary growth-hormone release with comparatively little impact on cortisol or prolactin, distinguishing it from earlier secretagogues.

It is commonly studied alongside GHRH analogs to model combined pituitary signalling. It is used strictly as a research compound.

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Areas of research

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Receptor selectivity

Studied for selective ghrelin-receptor agonism with minimal off-target hormone effects.

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GH release

Researched for stimulating pulsatile pituitary growth-hormone secretion in model systems.

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Hormone specificity

Examined for limited impact on cortisol and prolactin compared with other secretagogues.

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Somatotropic signalling

Investigated for downstream IGF-1 and growth-axis effects in preclinical research.

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In the lab: reconstitution

1

Bring the vial (10 mg) and bacteriostatic water to room temperature.

2

Add bacteriostatic water slowly along the glass wall — the volume you add sets the concentration.

3

Swirl gently (do not shake) until fully clear, then refrigerate at 2–8 °C.

Tip: The Peptide Calculator converts any vial size and water volume into units per syringe mark automatically.

Full storage & handling guide →

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Commonly researched combinations

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Ipamorelin + CJC-1295

Widely studied pairing combining selective secretagogue action with GHRH stimulation.

View stack →
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Ipamorelin + GHRP-6

Compared in research for differences in selectivity and appetite-related signalling.

View stack →
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Selected research studies

Ipamorelin — ipamorelin growth hormone secretagoguePubMed ↗
Ipamorelin — ipamorelin ghrelin receptorPubMed ↗
Ipamorelin — ipamorelin cortisol prolactin selectivityPubMed ↗

Links open a PubMed search for the topic. They point to independent literature and are provided for orientation in a research context only.

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FAQ

Why is Ipamorelin called selective?

Research indicates it stimulates growth-hormone release through the ghrelin receptor with comparatively little effect on cortisol and prolactin, making it useful for studying GH signalling in isolation.

How does it differ from GHRP-6?

Both are secretagogues, but research notes Ipamorelin has greater hormone selectivity and less appetite-related signalling than GHRP-6 in comparative model systems.

Why pair it with a GHRH analog?

Because the two act on different receptors, researchers study combinations such as with CJC-1295 to model potential synergistic effects on pituitary growth-hormone release.

Explore Ipamorelin

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For laboratory research only. This guide is provided solely for scientific orientation. Ipamorelin and all products are not intended for human or animal use, nor for the diagnosis, treatment or prevention of any disease. Nothing here is dosing guidance.
© Nephiz Labs · Peptide Guide: Ipamorelin
Research-use information
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