Ipamorelin vs Tesamorelin
Ipamorelin and Tesamorelin 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
| Ipamorelin | Tesamorelin | |
|---|---|---|
| Class | Growth hormone secretagogue (GHRP) | Stabilised GHRH analogue |
| Acts on | A pentapeptide ghrelin-receptor agonist studied for selective growth hormone release with minimal effect on cortisol or prolactin, which distinguishes it from earlier GHRPs. | A synthetic GHRH analogue with a trans-3-hexenoyl modification improving stability. Studied specifically in visceral adipose tissue reduction. |
| Supplied as | Lyophilised powder or pre-filled pen. Also supplied blended with CJC-1295. | Lyophilised powder or pre-filled pen. |
| Half-life | About two hours. | Longer than sermorelin, though still measured in minutes to a couple of hours. |
| Storage | 2-8 C. Reconstituted: refrigerated. | 2-8 C. |
| Listings | 3 | 2 |
| Price from | £28 | £55 |
What actually differs
The clearest difference is class: Ipamorelin is a growth hormone secretagogue (GHRP), Tesamorelin is a stabilised GHRH analogue. They are not supplied the same way. Ipamorelin comes as a lyophilised powder or pre-filled pen. Also supplied blended with CJC-1295, Tesamorelin as a lyophilised powder or pre-filled pen. Half-life differs as well: About two hours for Ipamorelin against Longer than sermorelin, though still measured in minutes to a couple of hours for Tesamorelin.
Quanta Pharma Ipamorelin 10mgin stock£28- SerenQ Ipamorelin + CJC 1295 (No Dac) Peptide Penin stock£55
- SerenQ Ipamorelin 10mg Peptide Penout of stock£55
Quanta Pharma Tesamorelin 10mgout of stock£55- SerenQ Tesamorelin 10mg Peptide Penout of stock£65
Availability checked 2026-09-09. The product page carries live stock.