GHRP-6 vs GHRP-2: Which Growth Hormone Releasing Peptide Is Better?
Verdict Summary
GHRP-2 produces stronger GH release than GHRP-6 but also causes greater cortisol and prolactin elevation. GHRP-6 causes more pronounced hunger. Both have been largely superseded by ipamorelin for most protocols.
Medical Disclaimer: This comparison is for educational purposes only. Consult a healthcare provider before starting any peptide protocol. Full disclaimer →
At a Glance
| Dimension | GHRP-6 | GHRP-2 |
|---|---|---|
| GH Release Potency | Moderate | Strong |
| Cortisol Elevation | Moderate | Higher |
| Prolactin Elevation | Moderate | Higher |
| Hunger Side Effect | Pronounced | Moderate |
| Typical Dose | 100-300 mcg | 100-300 mcg |
GHRP-6 Deep Dive
GHRP-6 was one of the first synthetic GHRPs studied. It produces significant GH release but also causes pronounced hunger (ghrelin-mediated), which can be a side effect or benefit depending on goals. Cortisol elevation is moderate.
How to Choose
Choose GHRP-6 if…
- •Appetite stimulation is a desired effect (e.g., in underweight individuals)
- •You want a well-studied first-generation GHRP
- •Cost is a primary consideration
Choose GHRP-2 if…
- •Maximum GH release is the priority
- •Appetite stimulation is not desired
- •You are using it short-term for a specific protocol
Frequently Asked Questions
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