Introduction to Semaglutide
Semaglutide is a GLP-1 receptor agonist with ~94% sequence homology to native GLP-1. An albumin-binding fatty acid chain extends its half-life from ~2 minutes to ~165 hours, enabling sustained receptor engagement across research protocols.
⚠️ Research Use Only
All products sold by FenaLife are intended strictly for laboratory and academic research purposes. Not for human consumption, injection, or ingestion. These statements have not been evaluated by the FDA.
Semaglutide Molecular Profile
| Property |
Value |
| Molecular Formula |
C187H291N45O59 |
| Molecular Weight |
4113.6 g/mol |
| Half-life |
~165 hours |
| Receptor Target |
GLP-1 receptor (GLP-1R) |
| Key Modification |
C18 fatty acid for albumin binding |
GLP-1R Downstream Signalling Pathways
⚡
cAMP/PKA Pathway
Activates adenylyl cyclase → cAMP → PKA. Primary driver of insulin secretion from beta cells.
PI3K/Akt Pathway
Cell survival and glucose metabolism. Beta-cell mass preservation research.
MAPK Pathway
Cell proliferation and differentiation. Studied in beta-cell renewal models.
CNS Signalling
Hypothalamic GLP-1R mediates appetite suppression — a major research focus area.
Half-Life Comparison — GLP-1 Compounds
Key Research Areas
Metabolic Research
Lab studies cover insulin secretion in pancreatic beta-cell models, glucagon suppression in alpha-cell research, hepatic glucose output, and gastric emptying rates in animal models.
Body Composition Research
Researchers have recorded effects on adipocyte lipolysis, appetite pathways in the arcuate nucleus, and energy expenditure in diet-induced obesity rodent models.
Semaglutide vs Other GLP-1 Research Compounds
| Compound |
GLP-1 Homology |
Half-life |
Key Distinction |
| Semaglutide |
94% |
~165 hours |
Albumin-bound fatty acid chain |
| Liraglutide |
97% |
~13 hours |
C16 fatty acid attachment |
| Tirzepatide |
Dual GIP/GLP-1 |
~5 days |
Dual incretin agonist |
| Cagrilintide |
Amylin analogue |
~7 days |
Pairs with sema in CagriSema |
Semaglutide Storage & Reconstitution
1
Store lyophilized at −20°C
Original sealed vial. Protect from light and moisture.
2
Add BAC water slowly against the vial wall
Never directly onto the powder. Swirl gently.
3
Store reconstituted at 2–8°C
Use within 28 days. Avoid freeze-thaw cycling.
FenaLife supplies Semaglutide 5mg and Semaglutide 10mg.
Frequently Asked Questions
Q: How is semaglutide different from tirzepatide?
A: Semaglutide is a selective GLP-1R agonist. Tirzepatide also targets the GIP receptor — useful for comparing single vs dual incretin pathway activation.
Q: What purity should research-grade semaglutide have?
A: ≥98% purity by HPLC with mass spectrometry identity confirmation.
Conclusion
Semaglutide stands among the most studied compounds in metabolic biology. Browse FenaLife’s metabolic research catalog.
⚠️ Research Use Only
All products sold by FenaLife are intended strictly for laboratory and academic research purposes. Not for human consumption, injection, or ingestion. These statements have not been evaluated by the FDA.
