Weight Regain After Stopping Ozempic: What South Africans Need to Know in 2026

You lost 10, 15, maybe even 20 kilograms on Ozempic. Then you stopped — and the scale started climbing again. If this sounds familiar, you are not alone. Weight regain after stopping Ozempic is one of the most common concerns among South Africans using semaglutide for weight loss, and the research confirms it is a real phenomenon.

This guide breaks down what the clinical studies actually show about weight regain, why it happens biologically, and — most importantly — what you can do to keep the weight off if you decide to stop Ozempic in South Africa.

What the Research Says About Weight Regain

The most important study on this topic is the STEP 1 trial extension, published in the journal Diabetes, Obesity and Metabolism. Here is what the researchers found:

• Participants lost an average of 17.3% of body weight over 68 weeks on semaglutide 2.4mg (the Wegovy dose)
• After stopping semaglutide, participants regained roughly two-thirds of the weight they had lost within one year
• Improvements in waist circumference, blood pressure, and lipid levels also partially reversed
• By week 120 (one year after stopping), the net weight loss from baseline was only about 5.6% — down from 17.3%

A separate analysis from the STEP 4 trial showed similar patterns. Participants who switched from semaglutide to placebo after 20 weeks regained weight steadily, while those who continued the medication kept losing.

The Numbers at a Glance

In practical terms: if you weighed 100kg and lost 17kg on Ozempic, you might expect to be back around 94kg a year after stopping — still lighter than your starting weight, but significantly heavier than your lowest point.

Why Does Weight Come Back After Stopping Ozempic?

Weight regain is not a personal failure — it is biology. Understanding why it happens can help you fight it. There are several mechanisms at work:

1. Appetite Hormones Return to Baseline

Ozempic works by mimicking GLP-1, a hormone that signals fullness to your brain. When you stop the medication, your natural GLP-1 levels return to their pre-treatment state. The result? Your appetite comes back — often with a vengeance. Many South Africans report feeling significantly hungrier within weeks of their last injection.

2. Metabolic Adaptation

When you lose weight, your body lowers its resting metabolic rate — it burns fewer kilojoules at rest. This is an evolutionary survival mechanism. After stopping Ozempic, your metabolism remains suppressed, but your appetite increases. This creates a calorie surplus that drives regain.

3. Gastric Emptying Speeds Up Again

Semaglutide slows gastric emptying, which is why food keeps you full longer on the medication. Stop taking it, and your stomach empties at its normal pace again. You feel hungry sooner after meals.

4. Set Point Theory

Some researchers believe the body has a weight "set point" it defends. After weight loss, hormonal signals — including leptin, ghrelin, and insulin — work to restore the body to its previous weight. This happens regardless of how the weight was lost, but it can feel particularly sudden after stopping a powerful medication like semaglutide.

How to Minimise Weight Regain: A South African Action Plan

The research paints a challenging picture, but it does not mean all is lost. Here are evidence-based strategies that can help you maintain as much of your weight loss as possible:

1. Build a High-Protein Diet Before You Stop

Protein is the most satiating macronutrient. Start increasing your protein intake while still on Ozempic so the habit is established before your appetite returns. Aim for 1.2–1.6g of protein per kilogram of body weight daily.

Good South African protein sources:

• Biltong and droewors — convenient, high-protein, low-carb (check for added sugar)
• Eggs — affordable at R35–R50 per dozen
• Tinned pilchards (Lucky Star) — cheap, high in protein and omega-3s
• Chicken breast — R70–R90/kg at most retailers
• Cottage cheese and plain yoghurt — great for snacking
• Lentils and beans — budget-friendly plant protein

Read more: Protein for Weight Loss in South Africa

2. Establish a Resistance Training Routine

One of the concerns with GLP-1 medications is muscle loss. Semaglutide causes weight loss from both fat and lean mass. Resistance training — even basic bodyweight exercises at home — helps preserve muscle, which keeps your metabolic rate higher.

• Aim for 2–3 sessions per week
• Focus on compound movements: squats, push-ups, lunges, rows
• A Planet Fitness or Virgin Active membership starts from around R200–R400/month
• YouTube home workout channels are free — no gym required

3. Consider a Gradual Step-Down

Discuss with your doctor whether a gradual dose reduction might work better than stopping suddenly. Some South African doctors are now tapering patients from 1mg to 0.5mg to 0.25mg over several months, giving the body time to adjust. This is off-label and should only be done under medical supervision.

4. Try Intermittent Fasting as a Transition Tool

Many South Africans find intermittent fasting helps manage appetite after stopping Ozempic. The 16:8 method (eating within an 8-hour window) can partially mimic the appetite-suppressing effect of the medication. It is free, requires no special foods, and can be adapted to any meal pattern.

5. Track Your Weight — But Do Not Panic

Some weight regain is inevitable. The goal is to minimise it, not eliminate it entirely. Weigh yourself weekly (not daily) and focus on the trend over months. A 2–3kg regain in the first month is normal and partly reflects water and glycogen stores refilling.

6. Address Emotional and Habitual Eating

Ozempic reduces "food noise" — the constant mental chatter about food. When that returns, people who relied on the medication to manage emotional eating can struggle. Consider working with a registered dietitian (look for RD(SA) credentials) or a psychologist who specialises in disordered eating.

Why Do People Stop Ozempic in South Africa?

Understanding why people discontinue can help you plan ahead:

• Cost: Ozempic costs R3,500–R5,000 per month in South Africa. Not all medical aids cover it for weight loss (it is registered for type 2 diabetes). Many people simply cannot afford long-term use.
• Stock shortages: South Africa has experienced intermittent supply issues since 2024, with pharmacies sometimes unable to fill prescriptions for weeks.
• Side effects: Persistent nausea, vomiting, or gastrointestinal issues lead some people to discontinue.
• Goal reached: Some people stop because they have reached their target weight, assuming the results are permanent.
• Doctor's advice: In some cases, doctors recommend stopping due to other health considerations.

Whatever your reason, knowing that regain is likely allows you to prepare for it rather than be caught off guard.

Should You Stay on Ozempic Long-Term?

This is the question many South Africans are asking, and the honest answer is: the research suggests long-term use produces better outcomes. Obesity is increasingly recognised as a chronic condition requiring ongoing management — similar to hypertension or diabetes.

However, long-term use raises practical concerns:

• Affordability: R42,000–R60,000 per year is out of reach for most South Africans
• Long-term safety data: Semaglutide has only been widely used for weight loss since 2021. The 5+ year safety profile is still being established
• Dependency concerns: Some people feel uncomfortable being on a weight loss medication indefinitely

Discuss these factors with your doctor. Some medical aids, including Discovery Health on certain plans, are starting to cover GLP-1 medications for qualifying patients. Ask your scheme about PMB (Prescribed Minimum Benefit) coverage if you have a BMI above 40 or above 35 with comorbidities.

Alternatives to Ozempic for Weight Maintenance

If you cannot or choose not to continue Ozempic, there are other options to discuss with your doctor:

• Orlistat (Xenical/Alli): Available in South Africa, blocks fat absorption. Less effective than semaglutide but much cheaper (R300–R600/month).
• Rybelsus (oral semaglutide): The tablet form of semaglutide. May be a lower-cost maintenance option for some patients. Read more: Ozempic alternatives in SA.
• Saxenda (liraglutide): Another GLP-1 injection, sometimes available when Ozempic is not. Read our Saxenda vs Ozempic comparison.
• Contrave (naltrexone/bupropion): An oral option that targets appetite and cravings through a different mechanism.

The Bottom Line

Weight regain after stopping Ozempic is common, well-documented, and not your fault. The STEP trial data shows most people regain a significant portion of lost weight within 12 months. But "most" is not "all" — and the degree of regain varies widely.

Your best defence is a combination of:

• High-protein eating patterns established before stopping
• Regular resistance training to preserve muscle mass
• A gradual step-down plan with your doctor
• Realistic expectations — some regain is normal
• Professional support from a dietitian or psychologist if needed

If you are considering stopping Ozempic, have an honest conversation with your healthcare provider. Plan your exit strategy the same way you planned your weight loss journey — with intention, support, and realistic goals.