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Weight loss
& Laparoscopy
So, who are we?
We are the surgical practice of Mr Mark Grant who is a specialist in Weight Loss and Metabolic surgery. Mark Grant is an active member of the Australian & New Zealand Metabolic and Obesity Surgery Society. We cover Dunedin, Otago, South Canterbury and Southland. We offer clinics in both Dunedin and Wanaka.
We want you to know that we understand that undergoing bariatric surgery or weight loss surgery is not an easy decision for you. You have tried many diets and exercise programmes with varying success to lose weight.

We know that losing weight is complex and that maintaining that weight loss can be an even more challenging prospect. We work closely with a talented dietician and empathetic psychologist to help empower you on your journey to better health and achieve your weight loss goals.


Is to improve the understanding and acceptance of the role that bariatric surgery plays in the management of obesity. While at the same time helping our patients achieve their goal of a healthier and fuller life.


We offer the full complement of weight loss procedures.

Weight Loss Surgery

Bariatric surgery has been shown to be the most effective treatment for obesity in suitable patients

General Surgery

Gallbladder surgery
Anti-reflux surgery
Hernia repair


Understanding Obesity
Weight Loss Blog


OUR Team
Mark Grant
Mark Grant

Mark is an Upper Gastrointestinal surgeon who has a particular interest in the management of obesity and cancers of the stomach and oesophagus.

Helen Gibbs - Our Dietician
Helen Gibbs
NZ Registered Dietitian

Helen is a NZ Registered Dietitian, who has a specialist interest in weight management and Type 2 diabetes.

making a healthier life a reality

To find out more call us on
03 464 0970


Who is a good candidate for weight loss surgery?

Weight loss surgery, also called bariatric surgery, is typically considered for people with severe obesity. Generally, this means having a body mass index (BMI) of 35 or more, or a BMI of 30 or more with serious weight-related health conditions like diabetes or sleep apnea. However, qualifications can vary, so consulting a doctor is crucial.

How does weight loss surgery work?

There are different types of weight loss surgery, but they generally work by restricting the amount of food you can eat or bypassing some of your intestines, reducing nutrient absorption.

How much weight can I expect to lose?

With proper diet and exercise, weight loss surgery can help you lose a significant amount of weight. However, the exact amount varies depending on the individual and the type of surgery.

Is weight loss surgery safe?

Some risks come with weight loss surgery, like getting an illness, bleeding, or leaks. But improvements in laparoscopic methods have made the treatment safer in the last few years. It’s important to talk about the risks and benefits with a skilled surgeon.

What are the long-term considerations after surgery?

After weight loss surgery, it’s important to stick to healthy food and regular exercise for the rest of your life. It may also be necessary to take extra vitamins and minerals over time to make sure the body absorbs the nutrients properly. Follow-up visits with your doctor are very important for keeping an eye on your progress and any problems that might come up.