GLP-1 receptor agonists are a class of medications that mimic the effects of glucagon-like peptide-1, a naturally occurring hormone in your body. When you eat, your intestines release GLP-1, which signals your pancreas to produce insulin and helps regulate blood sugar levels.
These medications work through multiple mechanisms: they stimulate insulin secretion when blood sugar is elevated, slow gastric emptying (which helps you feel full longer), and act on appetite centers in the brain to reduce hunger. This combination of effects makes them valuable for both type 2 diabetes management and chronic weight management.
The two main active ingredients in currently available GLP-1 medications are semaglutide (found in Ozempic, Wegovy, and Rybelsus) and tirzepatide (found in Mounjaro and Zepbound). While they share similar mechanisms, each has unique characteristics that may make one more suitable than another depending on your individual health profile.
“GLP-1 receptor agonists represent one of the most significant advances in metabolic medicine, offering new options for patients who have struggled with traditional approaches.”
GLP-1 medications are not all the same. Here's a factual overview of the most commonly prescribed options.
| Drug Name | Active Ingredient | FDA Approved For | Administration | Telehealth Available |
|---|---|---|---|---|
| Ozempic | Semaglutide | Type 2 diabetes | Weekly injection | |
| Wegovy | Semaglutide | Chronic weight management | Weekly injection | |
| Mounjaro | Tirzepatide | Type 2 diabetes | Weekly injection | |
| Zepbound | Tirzepatide | Chronic weight management | Weekly injection | |
| Rybelsus | Semaglutide | Type 2 diabetes | Daily oral tablet |
Understanding your options and working with a healthcare provider is the path to making informed decisions about GLP-1 medications.
If prescribed, work with your provider to monitor progress safely.
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A comprehensive, evidence-based guide to GLP-1 receptor agonists including semaglutide and tirzepatide — how they work, who qualifies, and what to expect.
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