GLP-1 Research | Incretin Peptides
GLP-1 Research Peptides — Agonist Classes & Mechanisms
Reference guide to GLP-1 receptor agonist research peptides — single, dual, and triple agonist classes, receptor mechanism, compound comparison, and the progression from first-generation GLP-1 monotherapy to triple-receptor co-activation.
GLP-1 Research Peptides Overview
GLP-1 (glucagon-like peptide-1) receptor agonists are the most studied class of metabolic research peptides in contemporary preclinical literature. The GLP-1R is a class B GPCR expressed on pancreatic beta cells, CNS neurons, gastric tissue, and cardiovascular cells — making it a central hub for metabolic pathway research. Research peptides targeting GLP-1R span three generations, each adding receptor complexity over the previous.
| Generation | Receptors | Compound | Key Research Use | Price |
|---|---|---|---|---|
| 1st — Single agonist | GLP-1R only | Semaglutide | Pure GLP-1R pharmacology baseline | $49 |
| 2nd — Dual agonist | GLP-1R + GIPR | Tirzepatide | GIP receptor contribution studies | $59 |
| 3rd — Triple agonist | GLP-1R + GIPR + GCGR | Retatrutide | Full incretin + glucagon research | $99 |
| Amylin combination | AMY1-3R | Cagrilintide | GLP-1 + amylin dual pathway studies | $99 |
GLP-1 Receptor Mechanism Summary
GLP-1R activates Gαs, stimulating adenylate cyclase and increasing intracellular cAMP. PKA and Epac2 activation potentiates glucose-stimulated insulin secretion (GSIS) from beta cells. Simultaneously, GLP-1R suppresses alpha cell glucagon secretion, slows gastric emptying, and activates hypothalamic satiety circuits. For complete receptor signaling detail, see our GLP-1 Receptor Mechanism guide.
Comparison Pages
- Retatrutide vs Tirzepatide — triple vs dual agonist detailed comparison
- Tirzepatide vs Semaglutide — dual vs single agonist
- Retatrutide vs Semaglutide — triple agonist vs GLP-1 monotherapy
- Single vs Dual Agonist Guide
- Triple Agonist Research Guide
- Metabolic Peptide Comparison Hub
Research Use Only: All compounds referenced are strictly for laboratory and in vitro research. Not for human use, veterinary use, or any diagnostic/treatment purpose. OligoPoly Labs sells research-grade peptides exclusively to qualified researchers.
OligoPoly Labs — Houston TX
GLP-1 Research Peptides — Receptor Agonist Classes & Compounds
GLP-1 research peptides span three generations of incretin receptor targeting: semaglutide (GLP-1R monotherapy), tirzepatide (GLP-1R/GIPR dual agonism), and retatrutide (GLP-1R/GIPR/GCGR triple agonism). OligoPoly Labs supplies all major GLP-1 research peptide classes at ≥99.8% HPLC purity with batch-specific COA from Houston TX. For detailed mechanism analysis see our GLP-1 Research Guide and GLP-1 Receptor Mechanism pages.
Research Use Only.