Obesity surgery is an effective method for those who want to control their excess weight and lead a healthy life. However, the process of weight loss after surgery may vary from person to person. This process depends on the individual’s compliance with lifestyle changes, eating habits and physical activity level. In Istanbul, Assoc. Prof. Hakan Uzunoğlu, an expert in the field of bariatric surgery, guides his patients through this process and supports healthy weight loss.

How Does Weight Loss Work After Obesity Surgery?
The weight loss process after bariatric surgery usually consists of several stages and this process can continue for months.
First Month: Rapid Weight Loss
The first month after surgery is the period of the fastest weight loss. During this period:
Portions are reduced as the stomach volume shrinks.
A liquid-heavy diet is applied.
A high amount of weight loss occurs as the metabolism tries to adapt to the surgery.
First 6 Months: Continuation of Weight Loss
The rate of weight loss remains high during the first 6 months. During this period
It is important to stick to diet and exercise programs.
The body starts to provide energy from fat tissue.
12th month and beyond: Stabilization Period
After 12 months, weight loss usually slows down and stabilizes. Patients during this period:
They adapt to their new body weight.
They make healthy eating and exercise a lifestyle.
For more information, you can read our article ” In Which Situations is Obesity Surgery Necessary?
Weight Loss Rate After Gastric Sleeve Gastrectomy
Sleeve gastrectomy is one of the most preferred methods of bariatric surgery. In this method, the weight loss process can be more effective and faster.
What is the Rate of Weight Loss?
During the first year, patients usually lose 50-70% of their excess weight.
By the end of the second year, this ratio could increase further.
Risks of Rapid Weight Loss
Rapid weight loss can lead to muscle loss and metabolic problems in some cases. Therefore, slow and regular weight loss should be targeted under the supervision of a doctor.
Factors Affecting the Weight Loss Process
The speed and impact of the weight loss process depends on several factors.
Lifestyle Changes
A balanced diet, regular exercise and vitamin and mineral supplements can speed up this process and make it healthier.
Psychological Support and Motivation
Receiving psychological support in the postoperative period increases patients’ motivation and helps them maintain long-term weight loss.
The process of weight loss after bariatric surgery varies depending on the individual’s lifestyle and postoperative care. The first year after surgery is the period when weight loss is the most intense and the guidance of an expert team is very important in this process. In Istanbul, Assoc. Prof. Hakan Uzunoğlu, an expert in sleeve gastrectomy and other obesity surgery methods, offers a reliable and successful process to his patients. Visit our website for more information.
Frequently Asked Questions
- How long does it take to lose weight after bariatric surgery?
During the first year, 50-70% of excess weight can be lost. This process depends on the person’s diet and physical activity. - How long can it take to lose weight after sleeve gastrectomy?
Weight loss after sleeve gastrectomy usually lasts 12-18 months. However, healthy living habits are important for long-term weight control. - Will rapid weight loss affect my health?
Rapid weight loss can lead to muscle loss and nutritional problems. Therefore, weight should be lost in a balanced way under the supervision of a doctor. - What should I do if weight loss stops after surgery?
When weight loss slows down, you may need to review your diet and exercise plan. Keep in regular contact with your doctor.