How Much Will You Lose?

The extent of weight lost following bariatric surgery can be variable and depends on the type of surgery as well a number of individual factors. The maximal weight loss is generally achieved at 12-18 months after the procedure. As a guide, the expected range of weight loss for the different types of surgery are:

  • Gastric banding surgery: 30 to 40% loss of excess body weight
  • Sleeve gastrectomy: 50 to 60% loss of excess body weight
  • Gastric bypass surgery: 60% to 70% loss of excess body weight