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Home / Encyclopedia / Growth Hormone Axis / Ipamorelin vs Hexarelin
⚖️ Growth Hormone Axis

Ipamorelin vs Hexarelin

How do Ipamorelin and Hexarelin compare for Growth Hormone Axis research? Side-by-side evidence, molecular profile, EU legal status and COA-verified supplier prices — never dosing advice.

At a glance

Ipamorelin

⚡ Growth Hormone Axis
EVIDENCE BASEStrong
CLASS
GHRP (pentapeptide)
MW
711.9 g/mol
CAS
170851-70-4
EU STATUS
Research only
WADA
Prohibited S2
MIN PURITY
≥98% HPLC
Molecular weight
711.9 g/mol
CAS number
170851-70-4
Route
Subcutaneous
Half-life (t½)
≈2 h
PRICE FROM
€23.89 · 16 EU vendors
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Hexarelin

⚡ Growth Hormone Axis
EVIDENCE BASE
SEQUENCE
His-D-2MeTrp-Ala-Trp-D-Phe-Lys-NH₂
MW
887.1 g/mol
CAS
140703-51-1
EU STATUS
Research only
WADA
Prohibited S2
MIN PURITY
≥98% HPLC
Molecular weight
887.1 g/mol
CAS number
140703-51-1
PRICE FROM
€59 · 1 EU vendors
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Which fits which research target?

Both Ipamorelin and Hexarelin sit within Growth Hormone Axis research but are studied for different primary signals. Neither is an approved medicine — compare the evidence, not marketing claims.

Neither Ipamorelin nor Hexarelin is an approved medicine. All comparisons here are research observations, not usage, dosing or efficacy recommendations.

What the research shows

Ipamorelin

EVIDENCE SUMMARY
STRONG
GH pulse stimulation — Robust animal and human data showing selective GH release. No significant effect on cortisol or prolactin unlike other GHRPs.
MODERATE
Bone density (rodents) — Published animal studies show improvements in bone density. Human data limited.
LIMITED
Body composition, recovery — Often combined with GHRH analogues in research. Standalone human data on body composition is limited.

Hexarelin

Human studies confirm potent GH release with desensitisation upon repeated dosing — a characteristic that limits sustained use research. Cardiac research: in rat ischaemia-reperfusion models, hexarelin reduced infarct size and improved contractile function via a GH-independent mechanism (CD36 receptor). The cardioprotective profile is a distinct research angle compared to other GHRPs.

Compare prices across EU suppliers

Compare Ipamorelin across EU suppliers

16 EU vendors · COA · from €23.89

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Compare Hexarelin across EU suppliers

1 EU vendors · COA · from €59

View prices →

Frequently asked questions

Is Ipamorelin or Hexarelin better?

Neither is an approved medicine, and “better” depends on the research target. Ipamorelin is most associated with GH pulse stimulation, while Hexarelin is studied for Growth Hormone Axis. Compare the evidence tiers and COA-verified EU pricing above rather than assuming one is superior. This is not a usage recommendation.

Why compare Ipamorelin and Hexarelin?

Both are studied within Growth Hormone Axis research through different mechanisms, so researchers often weigh them against each other. This page sets their evidence, molecular profile, EU legal status and supplier pricing side by side.

Which is cheaper in the EU, Ipamorelin or Hexarelin?

Prices vary by supplier, vial size and COA status. Ipamorelin is listed from €23.89 across 16 COA-verified EU vendors; Hexarelin from €59 across 1. Open the price pages above to compare current listings — nobody pays us for placement.

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