Why is ipamorelin preferred over GHRP-2 or GHRP-6?

Ipamorelin is more selective and does not appreciably raise cortisol or prolactin, which makes it the most commonly chosen GH secretagogue in current research literature.

Ipamorelin Calculator

GHS

Default: 5mg / 2mL / 0.2mgAdjust inputs to match your vial

About

What is Ipamorelin?

Ipamorelin is a selective synthetic growth hormone secretagogue (ghrelin receptor agonist). Compared with older GHRPs it stimulates GH release without significant elevation of cortisol or prolactin. Typical research-protocol dosing is 100–300 µg per administration, two to three times daily.

Common vial sizes

2 mg	lyophilized powder
5 mg	lyophilized powder
10 mg	lyophilized powder

Reference dose ranges

0.1 mg	≈ 4 U-100 units (at 5mg / 2mL)
0.2 mg	≈ 8 U-100 units (at 5mg / 2mL)
0.3 mg	≈ 12 U-100 units (at 5mg / 2mL)

Reconstitution

How it's typically prepared

Reconstitute with BAC water; refrigerate.

FAQ

Frequently asked questions

Why is ipamorelin preferred over GHRP-2 or GHRP-6?: Ipamorelin is more selective and does not appreciably raise cortisol or prolactin, which makes it the most commonly chosen GH secretagogue in current research literature.

Sources

References

PubMed search: ipamorelin

Other GHS peptides

Notice

PeptideDose is an educational reference. It is not medical advice and does not replace consultation with a licensed healthcare provider. Doses shown in presets are derived from published protocols and product labels — they are not personal recommendations.