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But I have found strong physiological and evidentiary reasons to introduce a GLP-1 RA before prandial insulin : GLP-1 RAs attenuate postprandial hyperglycemia through slowed gastric emptying , glucose-dependent insulin secretion , and glucagon suppression

no food 30 min | None | | **GLP-1 activation** | Yes | Yes | Yes | | **GIP activation** | No | No | Yes | | **FDA status (March 2026)** | NDA under review | Approved (Dec 2025) | Approved (Zepbound) | | **Expected cost** | $200-500/month (estimated) | $149-299/month | $1,000-1,300/month (brand) | | **Manufacturing** | Chemical synthesis (scalable) | Peptide synthesis + SNAC | Peptide synthesis | ## Mechanism of Action: Why Chemistry Matters ### How Orforglipron Binds the GLP-1 Receptor Traditional GLP-1 agonists are peptides that mimic the natural GLP-1 hormone, binding to the extracellular domain and transmembrane pocket of the GLP-1 receptor

In 2026, Novo Nordisk adjusted pricing to expand access