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Gastric Bypass in Turkey

Gastric bypass  (Roux-en-Y) procedure can help patients, who deal with obesity, lose weight and improve their general health. It involves reducing the stomach size and changing the digestive system that leads to decreased food intake and alterations in nutrient absorption in the small intestine.

Your surgeon may suggest a gastric bypass surgery if you have;

  • Excessive weight
  • Severe obesity
  • Weight-related health conditions. 

This procedure has been used for 20+ years and is well-known for its effectiveness for Class III obesity. It reduces the absorption of carbohydrate and fatty foods in the intestines. It was standardized at the Obesity and Metabolic Surgery Consensus in 2001. 

Can be performed in two ways:  Open and Laparoscopic

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Written by Vantage Editors

Last Update: September, 2026

Gastric Bypass in Turkey

Is it worth having Gastric Bypass in Turkey

Turkey is a country that has made progress in weight loss techniques as it has developed in all aesthetic procedures. It is an ideal location, especially Istanbul, for you if you want to solve your excess weight problems with experienced and well-trained surgeons and in affordable clinics. If you would like to receive a quality treatment at economical prices -mostly due to the exchange rate difference- we welcome you to Turkey.

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Process of Gastric Band Bypass in Turkey

When you are a patient receiving treatment at a prestigious clinic in Turkey, you will go through the following stages:

  • First, you will receive a consultation. During the stage, you will see the surgeon and the team and get answers to all the questions you may be wondering about. The surgeon won’t prepare you directly for the operation. Instead, they will perform various tests to find out if you are suitable for this surgery. These tests include 
  • checking your BMI, 
  • finding out if you have a metabolic disease
  • other medical tests. 
  • Once it is determined that you are a suitable candidate for gastric bypass in Turkey, they will carry out the surgical steps. 
  • Once they are successfully completed, the nurses will bring you to your room. Here you will have a bed, wardrobe, desk and bathroom. 
  • You will be stay in the clinic:
  • for 2-3 days: laparoscopic gastric bypass
  • for 5 days: open gastric bypass

During this time, you will be fed according to the nutrition program that was prepared in the hospital. 

  • Medical staff will visit you at regular intervals to check on your recovery progress.

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Cost of Gastric Bypass in Turkey

Gastric bypass cost in Turkey can vary depending on the clinic, location, surgeon, difficulty of your surgery, chosen gastric bypass technique. On average, the amount varies between €2600 to €3200. It may vary depending on the package. Typically, an average package includes:

  • 5-nights luxury hotel accommodation
  • transportation
  • translation service
  • 24/7 support team
  • cost of surgeon, clinic, prescription medicines, etc.

Gastric Bypass Cost at Vantage Clinic in Istanbul

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Starting From $2600

Why is the cost of Gastric Bypass in Turkey Cheap?

There are 5 main reasons why a gastric bypass surgery is cheaper in Turkey:

  • Surgeries are cheap in Turkey due to the exchange rate difference. 
  • In Turkey, there may be government subsidies to clinics to support foreign currency inflow into the country. This also reduces costs. 
  • In a market with strong competition, this competition is reflected in surgery prices.
  • The cost of living in Turkey is relatively more favorable than in European countries. This decreases the overall cost when evaluated under the heading of health tourism. 
  • Medical equipment, medicines and public services are also affordable in Turkey as the country’s overall costs are lower.

What is a Gastric Bypass?

Gastric bypass procedures are “a group of similar operations” used to treat morbid obesity. Here are the terms related with it:

  • Obesity

The excessive accumulation of excess weight in the body in the form of fatty tissue, leading to serious health problems.

  • Bariatric surgery

A general term that encompasses not only gastric bypass but all other surgical treatments for morbid obesity.

Beyond BMI, you may also be eligible because of the mental or physical impact of obesity. If obesity has led to serious health problems, this can lead to candidacy. In general, the following diseases are reasons for surgery:

  • Type 2 Diabetes
  • Hypertension (High Blood Pressure)
  • Cardiovascular Diseases
  • Sleep Apnea
  • Joint Problems
  • Mental Health Problems
What is Gastric Bypass

Gastric Bypass Process Time

If you are wondering “How long does gastric bypass take?”, there are the steps:

  1. A few hours before being in the hospital because of pre op procedures. 
  2. Medical professionals will give you a surgical gown. After you wear it, the medical team will come to your room. 
  3. They will do the final checks; then will take you to the operating room. It can last from 90 min to a maximum of 4 hours.
  4. You will be in the recovery room for 1-2 hours to monitor the progress.
  5. Now, you will have a tube, and breathe with the help of it. Moreover, there will be an IV, and you will receive fluids as well as painkillers through. In max. 2 hours, you will be woken up.

Who is Eligible for Gastric Bypass

You have to meet the following conditions to be eligible for gastric bypass surgery:

Your body weight has to be 100 pounds (45 kg) above your ideal weight.

It is greater than 40 or greater than 35 with obesity-related medical complications such as:

  • high blood pressure, 
  • type 2 diabetes, 
  • sleep apnea, 
  • gallbladder disease.

You have a history of attempting weight loss through diets and exercise programs.

No evidence of alcoholism, drug addiction or major psychiatric disorder.

Such as age and overall health will also be assessed by surgeons to determine whether the treatment is appropriate for you.

Things to Know Before Gastric Bypass

Before the surgery, it is good to know the following:

  1. Understand the procedure! Know what the surgery involves and what the steps are.
  2. Learn the risks! Understand potential complications, like infections, nutritional deficiencies, and dumping syndrome.
  3. Be aware of lifestyle changes after surgery. You need to follow a lifelong diet and exercise.
  4. Continue to attend regular check-ups and follow-ups. They are crucial for monitoring progress and managing complications.
  5. Being aware of the emotional side of the process before undergoing surgery is also important. Prepare for all dietary changes, focus on protein and supplements.
  6. Prepare for dietary changes, focuse on protein and supplements.
  7. Assess your medical history and undergo the necessary tests.
  8. Understand insurance coverage and potential costs to avoid surprises.

Things to Know after Gastric Bypass 

After gastric bypass surgery, there are several important things to know:

1. Just like the before surgery, you need to follow the recommended diet plan after it, as well. Focus on protein rich foods, avoid sugary or high fats.

2. Your body may need some nutritional supplements; including vitamins and mineral supplements. Typically, they are: Iron, Calcium, Vitamin B12, Vitamin D.

3. Be careful about fluid intake. On average, men should target about 15 cups of fluid a day and for women; 11 cups a day.

4. Your healthcare team will advise you to gradually increase your physical activities. 

5. Attend all follow-up appointments with your healthcare provider.

6.  Inform your healthcare team about all medications you are taking.

7. Pay attention to your body’s signals, you can feel hunger or fullness. Get to know and listen to yourself. [Please note: Eating too fast or too much can also lead to nausea or vomiting.]

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Pros and Cons of Gastric Bypass in Turkey

As with all other bariatric surgeries, there are various advantages and disadvantages of having gastric bypass surgery in Turkey. 

  1. Provides significant weight loss.
  2. Solves health problems associated with obesity.
  3. By spreading weight loss over time, it allows you to lose weight in a healthy way over a long period of time.
  4. Improves quality of life and makes you love and appreciate your body. This is good for mental health and boosts self-confidence.
  5. Reduces cardiovascular risk factors. It contributes to the protection of heart health, especially as the number of fat accumulated in the body will decrease.
  1. It causes a permanent change in your anatomy. It is an irreversible change.
  2. Requires a healthy diet for the rest of your life. Restricts dietary choice.
  3. Consuming sugary, fatty and high-calorie foods leads to dumping syndrome. This syndrome causes nausea for 20-30 minutes, sometimes vomiting and diarrhea.

Step-by-Step Mechanism of Roux-en-Y Gastric Bypass

The Roux-en-Y procedure alters your digestive system in restricting food intake and reducing calorie absorption to help you lose weight.

Step 1: Creating a Small Stomach Pouch

The surgeon divides your upper stomach from the rest of your stomach using a surgical stapler. This creates a small walnut-sized pouch that can only hold about one to two ounces of food. Because your stomach is much smaller, you will feel full after eating very small quantities.

Step 2: Re-routing the Small Intestine (The Y Shape)

The surgeon cuts the small intestine a short distance below the main stomach pouch and connects it directly to the new small pouch. This is called the Roux limb. Food bypasses the rest of your stomach and the first part of your small intestine (duodenum).

Step 3: Restoring Digestive Fluids

The lower section of the cut small intestine is reconnected further down the line so that digestive juices (bile and stomach acids) from the bypassed stomach can mix with the food. This delay in mixing significantly reduces the absorption of calories, fats, and carbohydrates, driving sustainable weight loss.

Roux-en-Y Gastric Bypass Steps
how Roux-en-Y gastric bypass works

FAQs about Gastric Bypass in Turkey

Those are the risks of gastric bypass surgery:

  • The risk of death is estimated to be limited to 1%.
  • Approximately 20% of patients may experience minor & major post-operative complications. 

(The reasons for complications also vary; they may be patient- or surgeon-induced.)

If you are between the ages of 16 and 70, you can have this surgery as long as you meet the necessary conditions like BMI range, health conditions, etc.

Approximately 2 months after, you can start eating as usual. At every stage, be sure to drink the required quantity of liquids per day to ward off dehydration.

According to a scientific study, there is a positive correlation between nonsurgical weight loss attempts with life expectancy for both genders. However, there is no specific information for gastric bypass surgery. 

After gastric bypass, some patients may occasionally experience this syndrome. It’s a set of complaints that include 

  • nausea, 
  • diarrhea, 
  • vomiting
  •  tiredness after eating.

Accordion Content

If you’ve just had gastric bypass, please avoid caffeine for at least 2 months until you have fully recovered. Stay away from these:

  • Chocolate
  • Energy drinks
  • Coffee
  • Tea
  • Clif bars
  • Espresso
  • Soda

Month-by-Month Recovery After Gastric Bypass

Weight loss following a gastric bypass surgery happens rapidly during the first months. It gradually stabilizes as your body reaches a healthy equilibrium. The typical timeline looks like this:

  • Month 1 (Rapid Initial Drop). Expect to lose 10% to 20% of your excess weight in the first month alone. This is primarily driven by the liquid and pureed diet phase, post-surgical healing, and significantly reduced calorie intake.
  • Months 2 to 6 (The Active Weight Loss Phase). Weight loss continues at a steady pace of 2 to 4 pounds (approx. 1 to 2 kg) per week. By the 6-month mark, many patients lose roughly 30% to 40% of their excess body weight.
  • Months 6 to 12 (Sustained Progress). The rate of weight loss begins to slow down as your body adapts. By the end of your first year, total weight loss typically reaches 50% to 60% of your excess body weight.
  • Months 12 to 18+ (Plateau and Stabilization). Weight loss usually plateaus between 12 and 18 months post-surgery. Total excess weight loss often settles between 60% and 70%. Maintaining this long-term success depends heavily on lifelong dietary habits, protein focus, and regular physical activity.

Do’s and Don'ts after Gastric Bypass

Among the things to do after gastric banding surgery in Istanbul, you can find the following suggestions:

  • Eat small portions.
  • Try to drink plenty of fluids and eat vegetables at every meal. NOTE: Sip liquids between meals, not with them!
  • Eat a protein-rich diet as it helps to maintain your muscle mass.
  • Take regular light walks.
  • Find time for hobbies and loved ones to maintain your mental health.
  • Do not start eating immediately. Gradually introduce liquids, then light solid foods such as yogurt, then purees and finally solid foods. 
  • Don’t drink carbonated beverages. As carbonated drinks stretch the stomach, they create more space and cause hunger.
  • To avoid dumping syndrome, eat liquid-rich foods such as soups, but do not drink liquids WITH MEALS:
    •  tea, 
    • coffee, 
    • water, 
    • carbonated drinks
    • alcoholic drinks
Do’s and Don'ts after Gastric Bypass

Important Tips

  • Keep changing your diet; eat less, limit fluid intake with meals.
  • Discuss with your surgeon to find effective medications to reduce nausea. 
  • Eating protein-rich foods can ease some symptoms.

Article Reviewed By: Dr. Jyothi Shenoy V
View the specialist’s bio
MBBS, MD – Obstetrics & Gynaecology, MRCOG(UK)
23 Years Experience Overall

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