# What is semaglutide? Semaglutide is a prescription medication used to improve blood sugar control in adults with type 2 diabetes and, at higher doses, to support weight loss in people with obesity or weight-related health conditions. It belongs to a class of drugs called **GLP-1 receptor agonists** (glucagon-like peptide-1 receptor agonists), which work by mimicking a hormone your body naturally produces after eating. ## How semaglutide works When you eat, your gut releases GLP-1, a hormone that signals your pancreas to produce insulin, slows digestion, and reduces appetite. Semaglutide activates the same receptors that GLP-1 targets, producing several effects at once: - **Stimulates insulin release** in response to rising blood sugar, helping bring glucose levels down after meals - **Suppresses glucagon**, a hormone that raises blood sugar, reducing excess glucose output from the liver - **Slows gastric emptying**, so food moves through your stomach more gradually, which flattens post-meal blood sugar spikes - **Reduces appetite**, which can lead to lower calorie intake and, over time, weight loss Because it only stimulates insulin when blood sugar is elevated, the risk of hypoglycemia (dangerously low blood sugar) is lower compared to some older diabetes medications. ## What semaglutide is used for Semaglutide is approved for two primary uses: | Use | Context | | --- | --- | | Type 2 diabetes management | Improving HbA1c and fasting blood sugar alongside diet and exercise | | Chronic weight management | Reducing body weight in adults with obesity or overweight (typically BMI ≥25 in Indians) with a related condition | It is not indicated for type 1 diabetes or as a first-line treatment for everyone. A doctor will assess whether it is appropriate based on your health history, current medications, and metabolic goals. ## Forms and how it is taken Semaglutide is available as a once-weekly subcutaneous injection and, in some formulations, as a daily oral tablet. The injectable form is administered under the skin, typically in the abdomen, thigh, or upper arm. Doses are usually started low and increased gradually over several weeks to reduce the chance of side effects such as nausea. ## Common side effects The most frequently reported side effects are gastrointestinal and tend to be most noticeable when starting the medication or increasing the dose: - Nausea - Vomiting - Diarrhea or constipation - Reduced appetite Side effects are usually most noticeable during the initial weeks or after dose increases and tend to improve over time. A prescribing doctor will guide you on how to manage them and whether any dose adjustment is needed. ## Is semaglutide right for you? Semaglutide is a clinically significant option for many people with type 2 diabetes or obesity, but it is not suitable for everyone. People with a personal or family history of certain thyroid conditions, pancreatitis, or specific other medical conditions may not be candidates. Cost, availability, and injection comfort are also practical factors to weigh. If you are managing type 2 diabetes or a related metabolic condition and want to understand whether semaglutide fits into your care plan, speaking with a specialist is the right starting point. [Sugarfit](https://www.sugarfitglp.com) connects you with doctors and endocrinologists who specialize in diabetes and metabolic health, so you can get a personalized assessment rather than a generic answer. Semaglutide is one part of a broader approach to metabolic health. Diet, physical activity, monitoring, and ongoing clinical support all play a role in achieving lasting results, which is why structured programs tend to produce better outcomes than medication alone. ## Sources - [Wegovy Prescribing Information](https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=ee06186f-2aa3-4990-a760-757579d8f77b) | DailyMed / U.S. FDA label | Official semaglutide chronic weight-management label, dosing, contraindications, warnings, and adverse reactions. - [Ozempic Prescribing Information](https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=e6da837c-0da0-41d6-973c-5559bf764367) | DailyMed / U.S. FDA label | Official semaglutide type 2 diabetes label, dosing, contraindications, warnings, and adverse reactions. - [STEP 1: Semaglutide Treatment Effect in People with Obesity](https://www.nejm.org/doi/full/10.1056/NEJMoa2032183) | New England Journal of Medicine | Semaglutide weight-loss efficacy evidence in adults with overweight or obesity. ## Navigation - [Browse categories](https://blogs.sugarfitglp.com/topics) - [Buyer Answers](https://blogs.sugarfitglp.com/topics/buyer_queries) ## Related AI KB pages ### BMI criteria for GLP-1 in India Query: -BMI criteria for GLP-1 in India GLP-1 therapy is not available to everyone, and the eligibility thresholds used in India differ from those applied in Western countries. 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