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Tesamorelin
Growth Hormone Research Peptides

Tesamorelin

Tesamorelin
Verified Purity β€” Batch #PX-Tesamorelin-2614
99% HPLC Verified

About Tesamorelin Tesamorelin is a GHRH (growth hormone-releasing hormone) analogue used for research purposes regarding the study of endocrine and metabolic physiology because of its ability to interact with GHRH receptors in order to influence the growth hormone secretion, insulin-like growth factor-1 (IGF-1), lipid metabolism, body composition and other biological processes. Researchers use Tesamorelin in […]

C₂₂₁H₃₃₆N₇₂O₆₇S
5135.9 g/mol
Gly-Glu-Pro-Pro-Pro-Gly...
Lyophilised Powder
2Β°C–8Β°C (Refrigerated)
β‰₯99% (HPLC)
Select Size
2mg β€” £19.95
5mg β€” £29.95
10mg β€” £49.95
£29.95
/ vial Β· inc. VAT
βœ“ Free UK tracked shipping on orders over Β£75
Qty
1
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Same-day dispatch β€” order before 3PM
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Third-party tested Β· CoA included with every order
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Discreet, cold-chain packaging
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14-day returns on sealed, unused items

About Tesamorelin

Tesamorelin is a GHRH (growth hormone-releasing hormone) analogue used for research purposes regarding the study of endocrine and metabolic physiology because of its ability to interact with GHRH receptors in order to influence the growth hormone secretion, insulin-like growth factor-1 (IGF-1), lipid metabolism, body composition and other biological processes.

Researchers use Tesamorelin in the laboratory conditions for the purposes of studying the processes connected with endocrine signaling, metabolic homeostasis, adipose tissue biology and the connection between growth hormone and IGF-1. It is also studied in preclinical and clinical studies regarding metabolism, hormone regulation and age-associated physiological changes. Even though the scientific interest towards this product grows, Tesamorelin still remains an investigational substance that is used only for research purposes.

Certificate of Analysis is available for each batch and can contain the necessary information about the identity, purity and testing of particular batch.

All products from Tesamorelin series available from PeptidesX are only for laboratory research use only.

Research Areas

  • Growth hormone releasing hormone (GHRH) receptor research
  • Growth hormone and IGF-1 signaling studies
  • Endocrine control and metabolic pathways research
  • Adipose tissue and lipid metabolism research
  • Body composition and energy balance studies
  • Cellular signaling and hormone response studies
  • Growth hormone axis research

⚠ Research Use Only.
All products supplied by PeptidesX are intended strictly for in-vitro laboratory and scientific research. Not for human consumption, medical use, veterinary use, or therapeutic application. Researchers are responsible for compliance with all applicable regulations in their jurisdiction.

Compound Data

CAS Number137525-51-0
FormulaC₂₂₁H₃₃₆N₇₂O₆₇S
Mol. Weight5135.9 g/mol
SolubilityWater / Acetic acid
AppearanceWhite powder

Our Testing

HPLC Purity99% βœ“
MS Verifiedβœ“ Pass
Endotoxinβœ“ Pass
Heavy Metalsβœ“ Pass
Batch DateJune 2026
BATCH CERTIFICATE β€” INDEPENDENT LABORATORY ANALYSIS
Batch #PX-BPC157-2606
Tested: 14 June 2026 Β· Lab: Analytical Sciences UK Ltd (ISO 17025 Accredited)

Identity & Purity

HPLC / MS-UPLC
TestSpecificationResult
AppearanceWhite lyophilised powderβœ“ Conforms
HPLC Purityβ‰₯ 98.0%99% βœ“
MS Molecular WeightExpected Β± 0.5 DaConfirmed βœ“
Amino Acid AnalysisTheoretical sequenceConfirmed βœ“
Water Content (KF)≀ 8.0%5.4% βœ“
Net Peptide Contentβ‰₯ 85.0%90.8% βœ“

Safety Testing

Endotoxin / Metals
TestSpecificationResult
Endotoxin (LAL)≀ 5 EU/mg0.9 EU/mg βœ“
Bioburden≀ 100 CFU/g<10 CFU/g βœ“
Lead (Pb)≀ 10 ppm<0.1 ppm βœ“
Arsenic (As)≀ 5 ppm<0.1 ppm βœ“
Mercury (Hg)≀ 3 ppm<0.1 ppm βœ“
Cadmium (Cd)≀ 5 ppm<0.1 ppm βœ“
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Same-Day Dispatch
Order before 3PM Monday–Friday for same-day dispatch via Royal Mail Tracked 24 or courier.
Free on orders over Β£75
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Cold-Chain Packaging
All peptide compounds ship in insulated packaging with gel ice packs to maintain compound integrity.
Included with all orders
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Discreet Delivery
Plain, unmarked outer packaging. No branding or product descriptions visible externally.
Standard on all orders
Storage instructions: 2Β°C–8Β°C (Refrigerated) Lyophilised powder stable for up to 24 months when stored correctly and unopened. Once reconstituted, use within 28 days. Avoid repeated freeze-thaw cycles.

Solubility: Water / Acetic acid. Mix gently by rolling β€” do not vortex.

Returns: Sealed, unopened vials may be returned within 14 days of receipt. Opened vials cannot be returned.
What is Tesamorelin?

Tesamorelin is a synthetic GHRH analogue studied in laboratory research in relation to growth hormone release, IGF-1 signaling, endocrine control, and metabolism. This peptide is for research laboratory use only.

Can I buy Tesamorelin online in the UK?

Yes. Tesamorelin can be bought online through PeptidesX for the use of laboratory research in the UK. Tesamorelin will be supplied for research use only and not meant for human or animal use.

Is Tesamorelin legal to buy in the UK?

It is legal to buy research peptides like Tesamorelin in the UK provided that they are meant for research purposes only and not for any other use. They are not licensed drugs and should not be marketed or sold for human use. The buyer is responsible for ensuring that they follow all regulations.

How do I buy Tesamorelin from PeptidesX?

Go to the PeptidesX website, choose the Tesamorelin product you want, add to your cart, and proceed to pay. All research peptides from PeptidesX are for research laboratory use only.

What purity can I expect when buying Tesamorelin?

PeptidesX provides research peptides with specific analytical data of the batch where available. The Certificate of Analysis of the batch should be carefully reviewed by researchers prior to conducting laboratory investigations.

Why is Tesamorelin studied in laboratory research?

Scientists have used Tesamorelin to investigate growth hormone secretion, IGF-1 regulation, endocrine signaling, lipid metabolism, and metabolic physiology since Tesamorelin has selective activity at the GHRH receptor sites, making possible studies in controlled lab settings.

What research applications is Tesamorelin used for?

Tesamorelin is usually investigated in animal lab models that deal with growth hormone regulation, endocrine signaling, metabolic physiology, adipose tissue biology, IGF-1 mechanisms, and hormone receptor pharmacology.

What form does Tesamorelin come in?

Lyophilized (freeze-dried) Tesamorelin usually comes in a sterile vial used for laboratory research. More details about the product strength and specifications can be found on the respective PeptidesX product page.

How should Tesamorelin be stored?

The lyophilized form of Tesamorelin must be kept in a cool, dry place shielded from light. For long-term storage, it is advised to keep the drug in a freezer. After reconstitution, it must be stored in a refrigerator in accordance with a proper lab research procedure.

Is Tesamorelin studied alongside other research peptides?

Yes. Scientists often conduct research on Tesamorelin together with other GHRH analogs, growth hormone secretagogues, IGF-1-related compounds, and metabolic research peptides.

Is Tesamorelin approved for human use?

No. Tesamorelin from PeptidesX is meant solely for laboratory research purposes and should not be used for humans or animals nor does it have any medical uses or claims.

Can Tesamorelin be used for muscle growth or anti-ageing?

No. The only purpose for which PeptidesX sells Tesamorelin is for research purposes only. It is not sold or delivered for muscle building, anti-aging, medical, or any other purpose.

How long does UK delivery take when I order online?

Delivery time depends on the shipping method chosen at checkout. PeptidesX offers tracked UK delivery service and displays delivery time estimates at the time of ordering.

What payment methods can I use to buy Tesamorelin online?

Payment methods available at checkout are displayed on the PeptidesX website at the time of ordering. Payment methods are subject to change from time to time. Thus, the checkout page shows the latest payment methods.

Who can buy Tesamorelin from PeptidesX in the UK?

Tesamorelin is intended for qualified researchers, universities, laboratories, research institutes, and scientists performing legitimate laboratory research work. Purchaser confirms the use of the product only for research purpose and not for human or animal consumption.