Gastric sleeve surgery is an effective method in the fight against obesity and is generally preferred for individuals who want to lose their excess weight quickly and permanently. However, the amount of weight loss after sleeve gastrectomy varies from person to person. Assoc. Dr. Hakan Uzunoğlu, an expert in gastric sleeve surgery in Istanbul, offers a healthy life journey by providing support to his patients in this process.
Weight Loss Process After Gastric Sleeve Gastrectomy
The weight loss process after sleeve gastrectomy consists of several stages and usually continues for 12-18 months. This process depends on how well the individual follows the postoperative diet and exercise rules.

1. First Month: Rapid Weight Loss
The first month after surgery is the period of the fastest weight loss. During this period:
As the stomach shrinks, portions are reduced.
A liquid diet program is applied.
Patients can lose 10-15% of their excess weight.
2. First 6 Months: Rapid Continuation of Weight Loss
In the first 6 months, weight loss continues but at a slightly reduced rate. During this period
Patients can lose 30-50% of their excess weight.
The importance of diet and physical activity habits increases.
3. 12-18 Months: Stabilization Period
At the end of one year, weight loss slows down and the body adapts to the new weight. During this period, patients usually lose 60-70% of their excess weight.
How Much Weight Can You Lose With Gastric Sleeve Gastrectomy?
The amount of weight lost after sleeve gastrectomy depends on the initial weight, metabolism and lifestyle of the individual.
Factors Affecting the Amount of Weight Loss
Baseline BMI (Body Mass Index): Individuals with a higher BMI usually lose more weight.
Diet and Exercise Compliance: Adhering to diet and physical activity improves weight loss.
Psychological Support: Postoperative motivation and mental health affect the weight loss process.
Average Weight Loss After Gastric Sleeve Gastrectomy
After surgery, patients usually lose 60-70% of their excess weight by the end of the first year. This amount may increase even more by the end of the second year.
Tips to Accelerate Weight Loss After Gastric Sleeve Gastrectomy
In order to accelerate the weight loss process after surgery and to lose weight in a healthy way, it is important to pay attention to the following recommendations:
Balanced Nutrition Plan
Following a balanced nutrition plan prepared by a dietitian accelerates weight loss. A high protein, low carbohydrate diet should be preferred.
Regular Exercise
Light walking should be started in the first weeks after surgery, and the exercise program should be intensified in the following period.
Vitamin and Mineral Supplements
To prevent vitamin and mineral deficiencies that may occur after surgery, it is important that you regularly use the supportive products recommended by your doctor.
The weight loss process after sleeve gastrectomy varies depending on the individual’s lifestyle. The first year after surgery is the period when weight loss is the most intense. In Istanbul, Assoc. Dr. Hakan Uzunoğlu, an expert in the field of sleeve gastrectomy and obesity surgery, offers comprehensive support to his patients in this process. For detailed information our website you can examine..
Frequently Asked Questions
1. How long does it take to lose weight after sleeve gastrectomy?
Weight loss after sleeve gastrectomy usually takes 12-18 months. During this time, patients can lose 60-70% of their excess weight.
2. How fast is weight loss after sleeve gastrectomy?
There is a rapid weight loss in the first month after surgery. This rate continues in the first 6 months and weight loss stabilizes at the end of one year.
3. Does everyone lose the same amount of weight after gastric sleeve?
No, the amount of weight loss depends on the individual’s starting weight, metabolism and postoperative lifestyle.
4. How can I accelerate weight loss after sleeve gastrectomy?
Following a balanced diet, exercising regularly and using vitamin supplements recommended by your doctor can accelerate weight loss.