What Tesamorelin is
Tesamorelin is a synthetic analogue of growth hormone releasing hormone, modified at the N terminus to resist enzymatic breakdown. That modification is the point of the molecule: native GHRH has a very short half life in circulation, and the analogue does not.
How the pen is supplied
Solution in a sealed 3 ml pen graduated in 300 dial units.
Pen specification
| Class | Growth hormone releasing hormone analogue |
| Also known as | TH9507 |
| Content | 10 mg |
| Fill volume | 3 ml |
| Dial graduation | 0.01 ml per unit |
| Total dial units | 300 |
| Per dial unit | 33 mcg |
| Cost per mg | £6.50 per mg |
Milligrams per dial unit and cost per milligram are calculated from the pen strength, its fill volume and the current live price. Every SerenQ pen is graduated at 0.01 ml per unit.
Verification
Independent HPLC per batch, identifier printed on the pen.
- SerenQ Tesamorelin 10mg Peptide Penout of stock£65
Availability checked 2026-09-04. The product page carries live stock.
Common questions
How does tesamorelin differ from ipamorelin?
Different receptors. Tesamorelin is a GHRH analogue acting at the GHRH receptor. Ipamorelin acts at the ghrelin receptor. They are frequently studied together for that reason.