GHRP-2 vs Ipamorelin
GHRP-2 and Ipamorelin are compared here on the things that actually differ between them: what class each belongs to, what each acts on, how each is supplied and what each costs per milligram. Where the registry has no figure for one of them the row is left out rather than filled in.
Side by side
| GHRP-2 | Ipamorelin | |
|---|---|---|
| Class | Growth hormone releasing peptide | Growth hormone secretagogue (GHRP) |
| Acts on | A synthetic hexapeptide ghrelin-receptor agonist studied for growth hormone release. Produces more cortisol and prolactin response than Ipamorelin in published comparisons. | A pentapeptide ghrelin-receptor agonist studied for selective growth hormone release with minimal effect on cortisol or prolactin, which distinguishes it from earlier GHRPs. |
| Supplied as | Lyophilised powder or pre-filled pen. | Lyophilised powder or pre-filled pen. Also supplied blended with CJC-1295. |
| Half-life | Short, well under an hour. | About two hours. |
| Storage | 2-8 C. | 2-8 C. Reconstituted: refrigerated. |
| Listings | 1 | 3 |
| Price from | £35 | £28 |
What actually differs
The clearest difference is class: GHRP-2 is a growth hormone releasing peptide, Ipamorelin is a growth hormone secretagogue (GHRP). They are not supplied the same way. GHRP-2 comes as a lyophilised powder or pre-filled pen, Ipamorelin as a lyophilised powder or pre-filled pen. Also supplied blended with CJC-1295. Half-life differs as well: Short, well under an hour for GHRP-2 against About two hours for Ipamorelin.
- SerenQ GHRP-2 6mg Peptide Penout of stock£35
Quanta Pharma Ipamorelin 10mgin stock£28- SerenQ Ipamorelin + CJC 1295 (No Dac) Peptide Penin stock£55
- SerenQ Ipamorelin 10mg Peptide Penout of stock£55
Availability checked 2026-09-09. The product page carries live stock.