It is important that you have realistic expectations regarding your weight loss goals when considering bariatric surgery. The amount of weight you lose is affected by the procedure you choose, but more important is your commitment to a healthy diet, exercise, and lifestyle changes.

How Much Weight Loss Will I Experience

Each procedure has an average weight loss of excess body weight. Excess body weight is defined as additional weight loss above the Body Mass Index (BMI) of 25. BMI guidelines are:

  • BMI of 18.5 – 24.9 is considered normal body weight.
  • BMI of 25 – 29.9 is considered overweight.
  • BMI of 30 – 34.9 is considered obese.

For people who have been obese, a healthy target BMI is often higher than the “normal” BMI of 18.5-24.9 and may be closer to the range of 20-28, depending on the person. Your surgeon will discuss your personal long term weight-loss goal with you.

The following is an average weight-loss of excess body weight for each procedure: