GLP-1 Agonists Like Ozempic, Mounjaro and Wegovy: Weight Loss Medication for Weight Management
medications for weight loss
GLP-1 medicines such as Ozempic, Rybelsus, Wegovy, Mounjaro, Zepbound, Saxenda and other related treatments have changed the conversation around obesity, type 2 diabetes, and weight management.
For many people, these medicines can reduce hunger, improve fullness and support meaningful weight reduction. But they are not magic, and they are not a complete plan on their own.
At our clinic, we see GLP-1 treatment as one tool in a larger health strategy. The best results usually come when medication is combined with nutrition support, lifestyle modification, strength preservation, long-term planning and, when appropriate, bariatric surgery.
For many people, these medicines can reduce hunger, improve fullness and support meaningful weight reduction. But they are not magic, and they are not a complete plan on their own.
At our clinic, we see GLP-1 treatment as one tool in a larger health strategy. The best results usually come when medication is combined with nutrition support, lifestyle modification, strength preservation, long-term planning and, when appropriate, bariatric surgery.
What Are GLP-1 Agonists?
GLP-1 agonists are a class of medications that act on hormone pathways involved in hunger, fullness, digestion and blood sugar control.
GLP-1 stands for glucagon-like peptide-1, a hormone your body naturally makes after eating. The natural GLP-1 hormone helps with insulin release, slows stomach emptying and sends signals to the brain that you are full.
Natural GLP-1 breaks down quickly in the body. GLP-1 medicines are designed to last much longer, which means they can have a stronger and more sustained effect.
These medicines are also known as GLP-1 receptor agonists or glucagon-like peptide-1 receptor agonists. In simple terms, the medications work by mimicking a natural hormone and activating GLP-1 pathways in the body.
Natural GLP-1 breaks down quickly in the body. GLP-1 medicines are designed to last much longer, which means they can have a stronger and more sustained effect.
These medicines are also known as GLP-1 receptor agonists or glucagon-like peptide-1 receptor agonists. In simple terms, the medications work by mimicking a natural hormone and activating GLP-1 pathways in the body.
How GLP-1 Medication Works?
A GLP-1 medication can help reduce appetite, slow the movement of food through the stomach and support better blood sugar levels.
This may help people feel full for longer, eat less, and reduce cravings. For some people, this can lead to weight loss and improved metabolic health.
GLP-1 medicines may also help lower blood sugar by supporting insulin release when blood sugar is elevated. This is why some GLP-1 medicines were first developed to help manage type 2 diabetes and treat type 2 diabetes mellitus.
Some newer medicines also act on glucose-dependent insulinotropic polypeptide, or GIP. These are sometimes described as glp-1 and gip medicines. Tirzepatide, the active ingredient in Mounjaro and Zepbound, works on both GLP-1 and GIP pathways.
This may help people feel full for longer, eat less, and reduce cravings. For some people, this can lead to weight loss and improved metabolic health.
GLP-1 medicines may also help lower blood sugar by supporting insulin release when blood sugar is elevated. This is why some GLP-1 medicines were first developed to help manage type 2 diabetes and treat type 2 diabetes mellitus.
Some newer medicines also act on glucose-dependent insulinotropic polypeptide, or GIP. These are sometimes described as glp-1 and gip medicines. Tirzepatide, the active ingredient in Mounjaro and Zepbound, works on both GLP-1 and GIP pathways.
Ozempic, Semaglutide, Wegovy, Mounjaro and Liraglutide
There are several medicines in this treatment area, and they are not all the same.
Common examples include:
- Semaglutide — used in medicines such as Ozempic and Wegovy
- Liraglutide — used in medicines such as Saxenda and Victoza
- Tirzepatide — used in medicines such as Mounjaro and Zepbound
- Dulaglutide — used in medicines such as Trulicity
- Exenatide — used in medicines such as Byetta and Bydureon
Some of these medicines are used to treat type 2 diabetes, some are used for chronic weight management, and some may be prescribed depending on your medical situation, local approval, availability and clinical suitability.
Taking GLP-1 Medication: What to Expect
When taking GLP-1, many people notice they feel full sooner and stay full longer. Some people have fewer cravings, feel less driven by food, and find it easier to reduce their overall intake.
For many patients, the medication is given by injection, often weekly, depending on the medicine. Some options, such as Rybelsus, are oral medicines.
As the body adjusts to the medication, some people experience digestive symptoms. Common side effects may include nausea, vomiting, diarrhoea, constipation, reflux, abdominal discomfort or headache.
More serious concerns are less common, but they are important to discuss with your doctor. Depending on your health history, your clinician may talk with you about pancreatitis risk, gallbladder problems, kidney disease, chronic kidney disease, dehydration, medication interactions, mental health concerns, and warning signs such as suicidal thoughts or behaviours.
For many patients, the medication is given by injection, often weekly, depending on the medicine. Some options, such as Rybelsus, are oral medicines.
As the body adjusts to the medication, some people experience digestive symptoms. Common side effects may include nausea, vomiting, diarrhoea, constipation, reflux, abdominal discomfort or headache.
More serious concerns are less common, but they are important to discuss with your doctor. Depending on your health history, your clinician may talk with you about pancreatitis risk, gallbladder problems, kidney disease, chronic kidney disease, dehydration, medication interactions, mental health concerns, and warning signs such as suicidal thoughts or behaviours.
GLP-1 Drug Treatment Is a Tool, Not Magic
A GLP-1 drug can help with weight loss, but it does not replace nutrition knowledge, movement, medical care or long-term planning.
The medication can reduce hunger, but it can also make it easier to undereat. This is particularly important if you are not getting enough protein, fluids, vitamins, minerals or healthy fats.
For some people, especially women over 35, a major concern is muscle loss. Losing weight too quickly or eating too little protein may result in a loss of muscle as well as fat. Regaining muscle can be difficult, which is why nutrition and strength support matter.
This is why we strongly recommend working with a dietitian or nutrition professional while taking the medication.
The medication can reduce hunger, but it can also make it easier to undereat. This is particularly important if you are not getting enough protein, fluids, vitamins, minerals or healthy fats.
For some people, especially women over 35, a major concern is muscle loss. Losing weight too quickly or eating too little protein may result in a loss of muscle as well as fat. Regaining muscle can be difficult, which is why nutrition and strength support matter.
This is why we strongly recommend working with a dietitian or nutrition professional while taking the medication.
Weight Loss Medication and Weight Regain
A weight loss medication can result in weight loss while you are using it, but stopping treatment can be challenging.
For many people, hunger and cravings return when the medication is reduced or stopped. This can lead to weight regain or regaining weight, particularly if there is no long-term plan in place. This does not mean the treatment has failed. It means obesity is a chronic condition, and long-term weight management often requires ongoing support.
Our focus is not only helping you lose weight. It is helping you understand what happens next, how to protect your health, and how to reduce the risk of weight coming back.
For many people, hunger and cravings return when the medication is reduced or stopped. This can lead to weight regain or regaining weight, particularly if there is no long-term plan in place. This does not mean the treatment has failed. It means obesity is a chronic condition, and long-term weight management often requires ongoing support.
Our focus is not only helping you lose weight. It is helping you understand what happens next, how to protect your health, and how to reduce the risk of weight coming back.
Is a GLP-1 Agonist Is Right for You?
Whether a GLP-1 agonist is right for you depends on your health history, current body weight, weight-related conditions, previous treatment attempts, side effects, goals, and ability to build long-term lifestyle changes.
For some patients, medication is the right first step. For others, surgery may offer a better long-term pathway.
For some patients, medication is the right first step. For others, surgery may offer a better long-term pathway.
Important questions include:
- Do you have obesity or overweight with weight-related health conditions?
- Do you have type 2 diabetes or blood sugar concerns?
- Have you tried GLP-1 medicines before and regained weight after stopping?
- Are side effects affecting your quality of life?
- Can you maintain adequate protein and nutrition while appetite is reduced?
- Do you have the support needed for long-term weight management?
- Would surgery be a more effective or durable option for your situation?
GLP-1, Surgery and Bariatric Care
As bariatric surgeons, we often see patients who have already tried GLP-1 medicines for several months or years.
Some people have excellent results. Others struggle with side effects, injection fatigue, cost, medication availability, overwhelming hunger, or weight regain after stopping.
Some patients are refractory, meaning their condition has not improved enough despite standard therapies. In this setting, bariatric surgery may be considered as part of the treatment of obesity.
Surgery and medication do not need to be seen as opposing choices. In some cases, medicines containing GLP-1 and dual glucose-dependent insulinotropic polypeptide activity may be used before or after surgery as part of a broader care plan.
Some people have excellent results. Others struggle with side effects, injection fatigue, cost, medication availability, overwhelming hunger, or weight regain after stopping.
Some patients are refractory, meaning their condition has not improved enough despite standard therapies. In this setting, bariatric surgery may be considered as part of the treatment of obesity.
Surgery and medication do not need to be seen as opposing choices. In some cases, medicines containing GLP-1 and dual glucose-dependent insulinotropic polypeptide activity may be used before or after surgery as part of a broader care plan.
Choosing the Right Weight Loss Program for you
The answer may be medication. It may be surgery. It may be lifestyle support. It may be a mix of several treatments. We will work with you on an overall approach to improve your health, support your wellbeing, and help you move toward a healthier future.
If you are living with overweight and obesity, struggling to lose weight, or unsure which option is right for you, a consultation can help you understand the next step.
If you are living with overweight and obesity, struggling to lose weight, or unsure which option is right for you, a consultation can help you understand the next step.