The amount of weight that can be lost with a gastric balloon varies between individuals, depending on various factors such as starting weight, overall health, and commitment to lifestyle changes. On average, weight loss with the gastric balloon is about 10% of your total weight or about 30% of your excess weight.Another source suggests that people who have a gastric balloon lose over one third of their excess body weight. However, it's important to remember that the gastric balloon is a tool to aid in weight loss, and achieving these results also requires significant dietary changes and regular physical activity.
In studies, the double balloon and air-filled balloon were found to have a weight loss of approximately 7% at 6 months. However, individual results may vary, and it's always best to discuss your personal goals and circumstances with a healthcare provider.