⚖ Head-to-Head · GH Releasing Peptides

Ipamorelin vs GHRP-2

Mechanism, half-life, dosing & research status compared side-by-side.

Ipamorelin
Growth Hormone
Not Approved
Growth HormoneRecoveryBody CompositionAnti-aging
Ipamorelin is a synthetic pentapeptide growth hormone releasing peptide (GHRP) that selectively stimulates GH secretion from pituitary somatotrophs. Unlike other GHRPs (GHRP-2, GHRP-6, Hexarelin), Ipamorelin does not sig…
Full Ipamorelin profile →
GHRP-2
Growth Hormone
Not Approved (US)
Growth HormoneBody CompositionRecovery
GHRP-2 (Pralmorelin) is a synthetic hexapeptide growth hormone releasing peptide and one of the most potent first-generation GHRPs. It stimulates pituitary GH secretion via the ghrelin receptor (GHSR-1a) with greater pot…
Full GHRP-2 profile →
Technical Specs Comparison
MetricIpamorelinGHRP-2
Research Status Extensively Studied Extensively Studied
Molecular Weight 711.9 Da 817.9 Da
Half-Life ~2 hours ~30–60 min
Peak Time ~60 min ~30–45 min
Typical Dose 100–300 µg 100–300 µg
Frequency 1–3× daily 1–3× daily
Route Subcutaneous Subcutaneous
Amino Acids 5 6
WADA Status Prohibited Prohibited
FDA Status Not Approved Not Approved (US)
Stack Compatibility & Key Differences
Both are active research compounds. See individual pages for full protocol data.
PK Plotter
Visualize Ipamorelin plasma levels → Plot →
Frequently Asked Questions
What is the difference between Ipamorelin and GHRP-2?
Ipamorelin: Ipamorelin is a synthetic pentapeptide growth hormone releasing peptide (GHRP) that selectively stimulates GH secretion from pituitary somatotrophs. Unlike other GHRPs (GHRP-2, GHRP-6, Hexarelin), Ipamorelin does not sig… GHRP-2: GHRP-2 (Pralmorelin) is a synthetic hexapeptide growth hormone releasing peptide and one of the most potent first-generation GHRPs. It stimulates pituitary GH secretion via the ghrelin receptor (GHSR-1a) with greater pot…
Can you stack Ipamorelin and GHRP-2?
Both are active research compounds. See individual pages for full protocol data.
Which has a longer half-life, Ipamorelin or GHRP-2?
Ipamorelin half-life: ~2 hours. GHRP-2 half-life: ~30–60 min.
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Verified Scientific Data
All specifications on this page are sourced from peer-reviewed literature and primary research. Half-life values, dosing ranges, and mechanism data are cross-referenced against published studies. Last audited 2026-06-07.
● Peer-reviewed sources ● Audit timestamp: 2026-06-07 ● Data version: ASCEND Wiki 2026
Data sourced from ASCEND Wiki · Ipamorelin profile · GHRP-2 profile · All comparisons
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