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Tesamorelin
Lot TS-3104≥ 99.1% HPLCGrowth hormone

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Synthetic analogue of human growth hormone-releasing hormone (GHRH 1-44), stabilised with a trans-3-hexenoyl group at the N-terminus. Developed under research code TH9507. Studied in relation to GHRH receptor binding, pulsatile GH release and IGF-1 response.

Research areas

  • GHRH receptor studies
  • GH secretion research
  • IGF-1 response
  • Visceral adipose tissue research
  • Metabolic regulation
Storage−20 °C, dry and dark
FormLyophilised powder
Mol. weight5135.9 g/mol
LotTS-3104
Tesamorelin vs CJC-1295: what is the difference?Reconstituting and storing: fridge or freezer?

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€79,95
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Synthetic analogue of human growth hormone-releasing hormone (GHRH 1-44), stabilised with a trans-3-hexenoyl group at the N-terminus. Developed under research code TH9507. Studied in relation to GHRH receptor binding, pulsatile GH release and IGF-1 response.

What is tesamorelin? Mechanism of action

Tesamorelin is a synthetic analogue of GHRH, growth hormone-releasing hormone. It consists of the first 44 amino acids of human GHRH with a trans-3-hexenoyl group added at the N-terminus. That modification makes the molecule resistant to degradation by DPP-4, the enzyme that inactivates natural GHRH within minutes.

Its principle therefore differs fundamentally from administering growth hormone itself: tesamorelin acts on the GHRH receptor in the pituitary and stimulates the body's own pulsatile release of growth hormone rather than replacing it. The body's feedback loop stays intact.

Tesamorelin is the one peptide in our catalogue that is registered as a medicine — in the United States, for one specific indication. That does not make it freely tradeable: we supply it strictly as research material, not as a medicine, and not for use in humans or animals.

We supply it as a lyophilised powder for in-vitro laboratory research.

Research areas

The areas below recur in the published literature on this peptide. They are directions of research, not applications — no statement is made about efficacy or suitability for any use.

  • GHRH receptor studies
  • GH secretion research
  • IGF-1 response
  • Visceral adipose tissue research
  • Metabolic regulation

Buying Tesamorelin for research

Tesamorelin is only as useful as research material as the documentation that comes with it. This is what we record per batch:

  • Every batch is analysed by HPLC. The purity figure and its lot number appear on this page and on the label.
  • The lot number on the vial matches the certificate of analysis, so the measurement traces back to the vial you receive.
  • Supplied as a lyophilised powder rather than a solution — the form that best survives transport and storage.
  • For analytical and preclinical laboratory research only. Not for human or animal consumption.

Reconstitution and storage

Lyophilised and unopened, the peptide is kept cool, dry and dark. Brief exposure to room temperature in transit is normal for the powder, and is precisely why it ships in this form.

The literature generally uses bacteriostatic water for reconstitution. Once reconstituted the solution has a limited shelf life and belongs in refrigerated storage. Exact conditions vary by protocol; we prescribe none.

Specifications

Storage−20 °C, dry and dark
FormLyophilised powder
Molecular weight5135.9 g/mol
Purity≥ 99.1% HPLC
LotTS-3104

Scientific sources

The publications below are the primary literature on this molecule. They are listed as a pointer to published research and are not a claim about this product.

  1. 1.Wang Y, Tomlinson B. (2009). Tesamorelin, a human growth hormone releasing factor analogue. Expert Opinion on Investigational Drugs. PubMed 19243281
  2. 2.Spooner LM, Olin JL. (2012). Tesamorelin: a growth hormone-releasing factor analogue for HIV-associated lipodystrophy. Annals of Pharmacotherapy. PubMed 22298602
  3. 3.Clemmons DR, et al. (2017). Safety and metabolic effects of tesamorelin, a growth hormone-releasing factor analogue, in patients with type 2 diabetes: A randomized, placebo-controlled trial. PLOS ONE. PubMed 28617838

Frequently asked questions

What does Tesamorelin cost?
Tesamorelin costs € 79,95 for 10 mg. Ordering multiple vials applies a volume discount automatically.
Can I order Tesamorelin in the Netherlands?
Yes. We ship from the Netherlands, discreetly and neutrally packaged, with track and trace. Within the Netherlands and Belgium delivery normally takes 1–2 working days after processing, elsewhere in the EU 2–5 working days. Payment is by iDEAL and shipping is free from €75.
Do I get a certificate of analysis with Tesamorelin?
Yes. The current lot is TS-3104 with a measured purity of ≥ 99.1% HPLC. The lot number on the vial matches the certificate of analysis, so the measurement traces back to the vial you receive.
How do I store Tesamorelin?
Unopened, Tesamorelin is kept at −20 °C, dry and dark. It ships as Lyophilised powder; in that form it withstands transport. Once reconstituted the solution has a limited shelf life and belongs in refrigerated storage.
What is Tesamorelin intended for?
In-vitro laboratory research only. Tesamorelin is not intended for human or animal consumption, not for diagnostic use, and not for any therapeutic application. We provide no dosing and no administration guidance.
Tesamorelin vs CJC-1295: what is the difference?Reconstituting and storing: fridge or freezer?
Tesamorelin

Tesamorelin

10 mg · €79,95

Buy Tesamorelin (10 mg) | CoA & ≥99% purity | HEALTHYPEPTIDES