Weight loss medicines may be recommended to help support weight loss and weight maintenance when changes such as healthy eating, improving sleep habits and physical activity aren’t helping on their own. Weight loss medicines aren’t a ‘quick fix’ but can be a long-term option for managing weight when combined with healthy eating and regular physical activity. Read more about the importance of changes when taking weight loss medicines. You should only use a weight loss medicine if your healthcare provider recommends them for you based on your individual health needs.
There are several weight loss medicines available in Aotearoa New Zealand. Each works in different ways, has different side effects and the cost may differ too. Your healthcare provider will discuss the various options with you.
GLP-1 receptor agonists (GLP-1s) used for weight loss are:
- Mounjaro (tirzepatide).
Saxenda (liraglutide).
Wegovy (semaglutide).
What are the criteria for being prescribed a weight loss medicine?
You’ll only be prescribed a weight loss medicine by a health professional if you meet certain criteria based on your body mass index (BMI) and any other health conditions you may have.
Your BMI is an estimate of your body size and is calculated using your height and weight. Learn more about BMI.

