The New England Journal of Medicine
Once-Weekly Semaglutide in Adults with Overweight or Obesity (STEP 1)
2021·PMID: 33567185
Wilding JPH et al.

Metabolic Research Compound
High-purity Semaglutide peptide for research.
Vial Size
From
$45.00
Bundle & Save

Research use only
Technical specifications
GLP-1 receptor agonist research compound studied for metabolic and weight management pathways.
Lyophilized (powder)
-20°C·up to 2 years
After opening
2-8°C·use within 30 days
Semaglutide selectively binds and activates the GLP-1 receptor, enhancing glucose-dependent insulin release, suppressing glucagon, slowing gastric emptying, and modulating hypothalamic appetite circuits.
Glycemic regulation
Body-mass and appetite modulation (STEP program)
Cardiovascular outcome research (SELECT)
Neurodegenerative pathway research
Purity
≥ 99% by independent third-party HPLC.
Half-Life
~7 days
Solubility
Freely soluble in aqueous diluents
Peer-reviewed research
The New England Journal of Medicine
2021·PMID: 33567185
Wilding JPH et al.
New England Journal of Medicine
2023·PMID: 37952131
Lincoff AM et al.
About this compound
Semaglutide is a synthetic peptide studied as a GLP-1 receptor agonist. As a single-receptor incretin-class compound, it is a common reference point in comparative receptor research. PX-Labs supplies Semaglutide as a lyophilized powder for laboratory research use only.
In the incretin class of research peptides, compounds are grouped by the receptors they target. Semaglutide acts at the GLP-1 receptor as a single agonist, which places it alongside dual agonists such as tirzepatide and triple agonists such as retatrutide in comparative receptor-activity studies. Its single-target profile makes it a frequent baseline in that line of research.
In its lyophilized form, Semaglutide is generally stored refrigerated and protected from light and moisture, with freezer storage common for longer-term holding. Standard laboratory handling practices apply.
Every batch is tested to a minimum of 98% purity by high-performance liquid chromatography, with analysis performed by an independent laboratory so results remain impartial. A Certificate of Analysis reporting identity, purity, and method is available on request.
Semaglutide is sold strictly for laboratory and scientific research. It is not intended for human or veterinary use, and PX-Labs is a research chemical supplier, not a compounding pharmacy. PX-Labs does not provide usage or application guidance.