What Tesamorelin is
Tesamorelin is a stabilised GHRH analogue. A synthetic GHRH analogue with a trans-3-hexenoyl modification improving stability. Studied specifically in visceral adipose tissue reduction.
Class and mechanism
Tesamorelin is a stabilised GHRH analogue. A synthetic GHRH analogue with a trans-3-hexenoyl modification improving stability. Studied specifically in visceral adipose tissue reduction.
Where it sits
Growth hormone itself and the secretagogues that prompt its release are different things. Somatropin is the hormone. A secretagogue acts on the GHRH or ghrelin receptor to raise the body's own output.
Others in the growth hormone and secretagogues range
Tesamorelin sits in the growth hormone and secretagogues group. The compounds below share that grouping, which is the useful starting point when comparing one against another: same group means the comparison is like for like, different group usually means it is not.
| Compound | Class | Listings | From |
|---|---|---|---|
| HGH | Recombinant human growth hormone (191 amino acids) | 6 | £60 |
| Ipamorelin | Growth hormone secretagogue (GHRP) | 3 | £28 |
| CJC-1295 (no DAC) | GHRH analogue | 2 | £33 |
| HGH Fragment 176-191 | C-terminal fragment of human growth hormone | 1 | £75 |
| GHRP-2 | Growth hormone releasing peptide | 1 | £35 |
| GHRP-6 | Growth hormone releasing peptide | 1 | £35 |
Is it held in UK stock?
Stock held in the UK ships domestically, with no customs step. The product page carries live stock rather than a cached figure.
Is Tesamorelin supplied in a pen?
Supplied as lyophilised powder or pre-filled pen. A pre-filled pen is already in solution. A lyophilised vial is a powder that has to be brought into solution before use.
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.