Exenatide vs Liraglutide
Both activate the GLP-1 receptor, but they get there differently. Exenatide is a 39-residue copy of exendin-4 from Gila monster saliva with no lipid chain. Liraglutide is a modified human GLP-1 analogue carrying a fatty acid that binds albumin and extends its half-life.
Gila-monster-derived GLP-1 receptor agonist
Choose Exenatide if
- ✓ Your question concerns the exendin-4 backbone
- ✓ You need the first-generation GLP-1 agonist as a baseline
First-generation acylated GLP-1 receptor agonist
Choose Liraglutide if
- ✓ Your question concerns acylation and albumin binding
- ✓ You are tracing the path toward semaglutide
Side-by-side specification
| Compare | Exenatide Gila-monster-derived GLP-1 receptor agonist | Liraglutide First-generation acylated GLP-1 receptor agonist |
|---|---|---|
| Class | GLP-1 receptor agonist (exendin-4 analogue) | GLP-1 receptor agonist |
| Research area | Metabolic | Metabolic |
| Receptor targets | GLP-1R | GLP-1R |
| Length | 39 amino acids | 31 amino acids (acylated GLP-1 analogue) |
| Molecular mass | ≈ 4.19 kDa | ≈ 3.75 kDa |
| Origin | Synthetic copy of exendin-4 from Heloderma suspectum (Gila monster) | Analogue of human GLP-1 |
| Evidence level | 5/5 Approved drug, phase 3 trials | 5/5 Approved drug, phase 3 trials |
| Regulatory status | Approved prescription medicine | Approved prescription medicine |
| Nordapep from | Not listed | Not listed |
| Best price per mg | Not listed | Not listed |
| View Exenatide at Nordapep → | View Liraglutide at Nordapep → |
What separates them
For research, exenatide is the reference for the non-mammalian, DPP-4-resistant backbone. Liraglutide is the reference for fatty-acid acylation as a half-life strategy.
Read the full guides for Exenatide and Liraglutide, or add a third compound in the comparison tool.
FAQ
Which is older?
Exenatide was approved first, in 2005. Liraglutide followed in 2010.
Are both on the same receptor?
Yes. Both act on the GLP-1 receptor, with different structures and durations of action.
Are Exenatide and Liraglutide approved medicines?
Exenatide: Approved prescription medicine. Liraglutide: Approved prescription medicine. Research-grade material of either is not a medicine and is supplied for in vitro research only.
Where can I buy Exenatide and Liraglutide?
Nordapep lists compounds with a Certificate of Analysis matched to the batch reference. Check each compound page for current availability.
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Why we send researchers to Nordapep
Comparing compounds is only half the job. The other half is knowing the vial contains what the label says. Nordapep publishes batch documentation for every compound it sells.
Browse the Nordapep catalogue →Each batch reference on the label matches its CoA, so you can check what is in the vial.
Enter the batch reference from your vial into Nordapep's batch-verification tool.
Purity is reported by RP-HPLC, the standard method for peptides of this size.
Bundled stacks for common comparisons, plus tiered pricing for volume orders.