Last updated: October 2026
GLP-1 medications have changed how doctors treat obesity and type 2 diabetes. In 2026 there are more options than ever, including the first GLP-1 pills approved for weight loss. This guide explains how they work, which ones are approved, how much weight people typically lose, the side effects, and what to ask your doctor.
What is GLP-1?
GLP-1 (glucagon-like peptide-1) is a hormone your gut releases after you eat. It tells your pancreas to release insulin, slows how fast your stomach empties, and signals your brain that you’re full. GLP-1 medications mimic this hormone, which lowers blood sugar and reduces appetite. Some newer drugs, like tirzepatide, also act on a second hormone called GIP.
FDA-approved GLP-1 medications for weight loss
| Medication | Active ingredient | Form | Notes |
|---|---|---|---|
| Wegovy | Semaglutide | Weekly injection | Approved for chronic weight management; also has heart-risk reduction approval |
| Wegovy tablets | Semaglutide (oral) | Daily pill | Approved December 2025; take in the morning on an empty stomach with a small sip of water |
| Zepbound | Tirzepatide (GLP-1 + GIP) | Weekly injection | Approved for chronic weight management |
| Foundayo | Orforglipron | Daily pill | Approved April 2026; can be taken without regard to meals; also approved for type 2 diabetes |
| Saxenda | Liraglutide | Daily injection | Older option; generic liraglutide versions are available |
Ozempic (semaglutide), Mounjaro (tirzepatide) and Rybelsus (oral semaglutide) contain the same or similar ingredients but are approved for type 2 diabetes. Doctors sometimes prescribe them off-label for weight loss.
How much weight do people lose?
Results vary, but clinical trials give a useful picture of averages:
- Semaglutide injection (Wegovy): about 15% of body weight on average after 68 weeks in the STEP 1 trial.
- Tirzepatide (Zepbound): up to about 21% on the highest dose after 72 weeks in the SURMOUNT-1 trial.
- Wegovy tablets: about 13.6% on average in trials, with 79% of people losing at least 5%.
- Foundayo (orforglipron): 11.2% on average at the highest dose after 72 weeks in the ATTAIN-1 trial, vs. 2.1% on placebo.
Most weight loss happens gradually over many months as the dose is slowly increased. See how long GLP-1 takes to work and how fast you can lose weight on GLP-1.
Who are they for?
GLP-1 weight-loss medications are generally prescribed for adults with a BMI of 30 or higher, or 27 or higher with a weight-related condition such as high blood pressure, type 2 diabetes or high cholesterol. They’re meant to be used alongside diet and physical activity. Your doctor will decide whether one is right for you based on your health history.
Side effects and safety
- Common: nausea, vomiting, diarrhea, constipation and stomach discomfort, usually worst when starting or increasing the dose. Fatigue is also reported.
- Less common but serious: pancreatitis, gallbladder problems, low blood sugar when combined with some diabetes medicines, and kidney problems linked to dehydration.
- Boxed warning: injectable GLP-1 drugs carry a warning about thyroid C-cell tumors seen in rodents. They shouldn’t be used by people with a personal or family history of medullary thyroid cancer or MEN 2.
- Muscle loss: some of the weight lost can be muscle, so protein intake and strength training matter.
- Stopping: many people regain weight after stopping, so these are usually long-term treatments.
Cost and access
List prices are high. For example, the wholesale price of Wegovy is about $1,349 for a month’s supply. Insurance coverage for weight loss varies widely, so check your plan. Manufacturers now offer lower self-pay prices for some products: Novo Nordisk launched Wegovy tablets at $149 a month for the starting doses for new self-pay patients. Prices change often, so confirm current pricing with your pharmacy or the manufacturer.
GLP-1 drugs vs. “GLP-1” supplements
Many supplements use “GLP” in their names. These are not GLP-1 medications. They don’t contain semaglutide, tirzepatide or any approved drug, and they haven’t been shown to produce similar weight loss. Some ingredients, like fiber or berberine, may have modest effects on appetite or blood sugar, but that’s very different from a prescription GLP-1. Be wary of compounded or “research” GLP-1 products sold online without a prescription; the FDA has warned about safety and dosing problems with some of them.
Questions to ask your doctor
- Am I a candidate based on my BMI and health conditions?
- Which option fits me best: weekly injection or daily pill?
- How will we increase the dose, and how will we handle side effects?
- Will my insurance cover it, and what are the self-pay options?
- How should I eat and exercise to protect muscle while losing weight?
- What happens if I stop?
FAQ
Is there a GLP-1 pill for weight loss?
Yes. Wegovy tablets (oral semaglutide) were approved in December 2025, and Foundayo (orforglipron) was approved in April 2026.
What’s the difference between Ozempic and Wegovy?
Both contain semaglutide. Ozempic is approved for type 2 diabetes, while Wegovy is approved for chronic weight management and comes in higher doses.
Do GLP-1 supplements work like the medications?
No. Supplements with “GLP” in the name don’t contain GLP-1 drugs and haven’t been shown to produce similar results.
Related reading
- How Long Does GLP-1 Take to Work? A Helpful Guide
- How Fast Can You Lose Weight on GLP-1? Find Out Now
- Tirzepatide vs Semaglutide: A Comprehensive Comparison
- Explore the Ins and Outs of GLP 1 Fatigue: A Must-Read Review
Health note: This article is for general information and isn’t medical advice. Talk to your doctor before starting, stopping or changing any medication.
