
Tesamorelin Peptide | 10mg | 3ml
Tesamorelin is a synthetic peptide analogue of human growth hormone–releasing hormone (GHRH 1–44), engineered for research use in studying hypothalamic–pituitary communication and growth hormone regulatory pathways. Structural modifications increase its stability compared with native GHRH, allowing it to function reliably in controlled laboratory environments. In biochemical and cellular research systems, Tesamorelin binds to and activates the GHRH receptor found on pituitary‑derived cells, initiating intracellular signalling cascades that regulate growth hormone synthesis and secretion. Experimental work commonly evaluates receptor‑binding characteristics, cAMP‑dependent signalling activity, and downstream transcriptional responses under defined exposure conditions. The molecular effects observed vary with concentration, exposure duration, and model system, and are used to characterise GHRH receptor signalling rather than to infer physiological outcomes.
Strength
10mg
Concentration
3.33 mg/ml
Purity
≥99% HPLC
COA
On request

Free Metal pen, worth £25
A reusable pen is added free to your order, automatically.
- Free UK shipping over £100, tracked and next working day.
- Cold-chain packed: sealed foil pouch, ice packs, plain outer box.
- Batch-specific Certificate of Analysis included.
| Designation | GHRH(1-44) analogue |
| CAS Number | 218949-48-5 |
| Molecular Formula | C₂₂₁H₃₆₆N₇₂O₆₇S |
| Molecular Weight | 5135.9 g/mol |
| Strength | 10mg |
| Concentration | 3.33 mg/ml |
| Presentation | 3ml Vial |
| Purity | ≥99% (HPLC) |
| Storage | Must be kept in a refrigerator at 2°C–8°C for optimal potency. |
How we ship it
Every pre-mixed vial leaves the UK cold and arrives in a plain box. Refrigerate on arrival at 2–8 °C.

Chilled
Vials travel with frozen gel packs inside a sealed foil pouch, which holds temperature for roughly seven days in transit.

Insulated
The pouch sits inside a wool-lined envelope, so the cold chain survives a normal courier journey.

Discreet
Plain outer box with no branding and nothing on the label that names the contents.
Same-day dispatch
Order before 3pm GMT, Monday to Friday.
Free over £100
Tracked UK delivery, next working day.
2–8 °C on arrival
Refrigerate as soon as the parcel lands.
Tesamorelin: research FAQs
- What is Tesamorelin?
- Tesamorelin is a synthetic peptide analogue of human growth hormone-releasing hormone (GHRH 1-44), belonging to the GHRH family of neuroendocrine peptides. Structural modifications to the native sequence increase its stability, allowing it to function reliably in controlled laboratory conditions. It is supplied strictly as a research chemical for in-vitro laboratory research use only.
- What is Tesamorelin studied for in research?
- In biochemical and cellular research systems, Tesamorelin has been investigated in preclinical and in-vitro work for its binding to and activation of the GHRH receptor expressed on pituitary-derived cells, and the intracellular signalling cascades associated with growth hormone synthesis and secretion that follow. Such studies commonly characterise receptor-binding behaviour, cAMP-dependent signalling activity, and downstream transcriptional responses under defined exposure conditions. These are laboratory observations that vary with concentration, exposure duration, and model system, and are used to characterise GHRH receptor signalling rather than to infer physiological outcomes in humans or animals.
- Is Tesamorelin legal to buy in the UK?
- Tesamorelin is legal to buy and possess in the UK for laboratory research purposes. It is not a licensed medicine and cannot be sold for human or veterinary use or consumption. Every vial ships labelled for in-vitro research use only.
- What purity is your Tesamorelin, and is it lab-tested?
- Our Tesamorelin is verified to 99%+ purity by HPLC analysis. The figure printed on each batch's Certificate of Analysis is the actual lab-recorded value for that batch, not a marketing claim. Material is synthesised and dispatched from our own UK facility rather than imported or repackaged, and is supplied for in-vitro research use only.
- Does Tesamorelin come with a Certificate of Analysis?
- Yes. A batch-specific Certificate of Analysis (COA) ships with every order, documenting the purity and identity results for the material you receive. You can also view sample COAs in our COA library before purchasing. All material is supplied for in-vitro research use only.
- How is Tesamorelin supplied, stored and handled for research?
- Tesamorelin is supplied in a sealed vial and shipped cold-chain. Refrigerate at 2°C–8°C as indicated on the label, keep the vial sealed and away from light, and check the batch Certificate of Analysis supplied with your order for the recorded appearance and presentation. Handling should follow standard aseptic laboratory practice, and the material is intended solely for in-vitro research use.
Research guides
Tools
Disclaimer: Products sold on this website are intended for research and laboratory use only. They are not intended for human or animal consumption. Purchasers must be at least 18 years of age. By using this site, you agree to our Terms & Conditions.