Medications like semaglutide (Ozempic®️, Wegovy®️), tirzepatide (Mounjaro®️), and liraglutide (Saxenda®️) can support significant weight loss and improved metabolic health. However, recent research published in The BMJ highlights an important reality:
Many people regain weight after stopping weight loss medication – particularly without structured lifestyle and nutrition support.
At Optimum Intake Dietitians, we see medication as one component of care. Sustainable outcomes require a comprehensive, individualised plan that protects metabolic health during and after treatment.
What the Research Says About Weight Regain After GLP-1 Medications
A large review of clinical trials found:
Gradual weight regain commonly occurs after stopping GLP-1 medications
Many individuals return to baseline weight within 1–2 years
Improvements in blood sugar, cholesterol and blood pressure may also decline after discontinuation
Weight regain tends to occur faster after stopping medication compared to behavioural programs
This highlights, that weight loss medications do not automatically build the skills required to support your long-term health.
Considering Ozempic, or already on it? Getting the nutrition side right is what makes the difference.
Why You Need Dietitian Support When Using Weight Loss Medication
If you are using (or considering) GLP-1 medications, working with an Accredited Practising
Dietitian can significantly improve long-term outcomes.
Here’s how:
1. Protecting Muscle Mass During Rapid Weight Loss
GLP-1 medications reduce appetite. Without careful nutrition planning, this can lead to:
- Inadequate protein intake
- Loss of lean muscle mass
- Reduced resting metabolic rate over time
At Optimum Intake, we structure protein intake strategically and integrate strength-supportive nutrition principles to protect muscle mass and metabolic health during weight loss.
2. Avoid Nutrient Deficiencies
Reduced appetite and smaller portion sizes can unintentionally lead to:
- Low fibre intake
- Inadequate iron, calcium or other micronutrient intake
- Reduced overall diet quality
We help ensure nutritional adequacy – even when total food volume decreases – supporting gut health, bone health, cardiovascular health and energy levels.
3. Build Sustainable Eating Habits
Medication may reduce hunger, but it doesn’t teach:
- Meal structure
- Grocery planning
- Emotional eating strategies
- Long-term behaviour change
At Optimum Intake, we focus on developing sustainable nutrition habits that remain in place whether medication continues, reduces, or stops.
4. Reducing the Risk of Weight Regain After Stopping Medication
One of the biggest concerns people share: “What happens when I stop?”
We proactively plan for transitions:
- Understanding energy needs
- Protein and fibre targets
- Learning and responding to hunger signals
This reduces the likelihood of rapid weight regain and supports your metabolic health.
A Safe & Sustainable Approach to Weight Loss:
At Optimum Intake Dietitians, we support clients who are:
- Starting weight loss medications
- Currently taking semaglutide or tirzepatide
- Preparing to stop medication
- Experiencing weight regain
- Wanting to improve metabolic health
Our approach is:
- Evidence-based
- Individualised
- Focused on metabolic health
- Focused on sustainability
- Aligned with your GP or specialist
Because long-term success isn’t about relying on medication alone. It’s about building a foundation that supports health for years to come.
Ready to Optimise Your Health?
Book an appointment with Optimum Intake Dietitians today and invest in long-term health – not just short-term weight loss.







