For years, sustainable weight loss has remained one of modern medicine’s greatest challenges. Diets come and go, exercise programmes promise dramatic transformations and countless supplements make claims that rarely stand up to scientific scrutiny. Then came a new generation of medications that seemed to change the conversation almost overnight.
Names like Ozempic, Wegovy, Mounjaro and Saxenda have moved well beyond doctors’ consulting rooms to become part of everyday conversation. They’ve dominated social media feeds, celebrity interviews and health headlines, with remarkable weight-loss success stories sitting alongside warnings about shortages, side effects and unrealistic expectations.
So, are GLP-1 medications the breakthrough many have been waiting for, or are they simply another healthcare trend surrounded by hype?
Understanding how these medications work—and weighing both their benefits and limitations—is essential before deciding whether they’re the right option. We recenly had a chance to sit down with one of the industries leading experts on weight loss, Dr Andrew Viljoen and here’s what he had t say:
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What Are GLP-1 Agonists?
GLP-1 stands for glucagon-like peptide-1, a naturally occurring hormone produced in the intestines that helps to regulate blood sugar, appetite and digestion. GLP-1 agonists are medications that mimic this hormone, triggering similar effects in the body – most notably, reducing appetite, increasing feelings of fullness and slowing down stomach emptying.
Originally developed to manage type 2 diabetes, these medications now have a growing role in obesity treatment. Well-known brand names include Ozempic, Wegovy, Mounjaro and Saxenda.
The Good – Benefits Beyond Weight Loss
Effective weight loss: Clinical trials show that users can lose 10% – 20% of their body weight over time.
Improved blood sugar control: Originally designed for diabetes, these drugs help reduce blood glucose levels and may even delay progression to type 2 diabetes.
Heart health benefits: Some GLP-1 agonists have been shown to lower the risk of heart attacks and strokes in people with existing cardiovascular disease.
Reduced appetite and cravings: People often report feeling fuller faster and experiencing fewer food cravings, especially for high-calorie, high-sugar foods.
The Bad – Understanding the Side Effects
Gastrointestinal issues: Nausea, vomiting, diarrhea and constipation are the most common complaints – especially when starting the medication or when increasing the dosage.
Cost and access: These drugs can be expensive and aren’t always covered by medical aid (unless prescribed for diabetes or medically qualifying obesity).
Long-term commitment: Weight often returns if the medication is stopped, suggesting a need for lifelong use in many cases.
Not for everyone: People with a history of certain thyroid cancers or pancreatitis may be advised against using it.
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The Ugly – Ozempic Face, Social Media and Misinformation
Medication shortages: High demand has made it harder for diabetic patients to access their necessary medications.
Unregulated use: Many people are obtaining these drugs without proper medical guidance, risking side effects and complications.
Social pressure and body image issues: The popularity of these medications has fueled unrealistic body standards and led to a new form of appearance anxiety.
Should You Consider GLP-1 Medication?
The rise of GLP-1 medications has also brought unexpected cosmetic side effects and social controversies.
‘Ozempic face’ – a term coined by a cosmetic dermatologist and widely circulated online – refers to the gaunt or aged appearance some people experience after rapid and significant weight loss while on GLP-1 medications. Why does it happen? Well, when you lose weight – especially quickly – fat and lean muscle are lost all over the body, including the face. This facial volume loss can lead to sagging skin, hollow cheeks and a more tired or older appearance. It’s not unique to GLP-1 drugs, but the speed and visibility of the weight loss associated with these medications can make the change more dramatic and jarring.
For many, this is a cosmetic concern rather than a health issue. Solutions like dermal fillers or skin-tightening treatments can restore lost volume, but it’s something to consider before starting treatment, especially if aesthetics is a high priority.
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GLP-1 agonists have undoubtedly changed the way doctors approach obesity and type 2 diabetes. For many patients, they offer an opportunity to improve their health after years of struggling with traditional weight-loss methods. However, they are not a substitute for healthy habits, nor are they without potential risks.
As with any prescription medication, the decision to start treatment should be made alongside a qualified healthcare professional who can assess your individual health profile, discuss potential side effects and develop a long-term management plan. The strongest evidence continues to show that lasting results come from combining medication, where appropriate, with balanced nutrition, regular physical activity and sustainable lifestyle changes.
Viewed in that context, GLP-1 medications aren’t a miracle cure—but they may prove to be one of the most significant advances in metabolic medicine in decades.
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