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Gastric Bypass in Istanbul · From €2,600

Gastric Bypass Surgery Turkey

More Powerful Than a Sleeve. It Asks for More in Return

They recommend this when a sleeve is not enough: a higher BMI, reflux that will not settle, type 2 diabetes. From €2,600, two nights in hospital — and a daily obligation that does not end.

100,000+Happy Patients
80+Countries Served
12 MonthsDietitian Follow-Up
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Gastric Bypass Results

Gastric Bypass Before & After

Most excess weight is typically lost within 12 to 18 months of a gastric bypass, and these before and after photos show where that journey can lead. Many patients also see improvements in related health conditions, although no figure is guaranteed.

Weight Loss Surgery-Gastric Bypass 1

Gastric Bypass

Weight Loss Surgery-Gastric Bypass 3

Gastric Bypass at 12 Months

Weight Loss Surgery-Gastric Bypass 4

Gastric Bypass 15 Months

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About Natural Clinic

A Multidisciplinary Medical & Aesthetic Hospital in the Heart of Istanbul

Natural Clinic brings several specialist fields together under one roof: hair transplantation, dentistry, facial, body and breast aesthetics, bariatric surgery and reconstructive treatments. Cross-disciplinary medical teams, multilingual coordination and internationally recognised safety standards carry each patient from consultation and treatment planning through to recovery and aftercare.

1200+ Operations Monthly

Advanced treatments across multiple medical specialties

50+ Medical Professionals

Experienced specialists working across disciplines

150+ Daily Operation Capacity

Large-scale medical infrastructure in Istanbul

360° Patient Care

Consultation, treatment, recovery and aftercare coordinated under one roof

The Operation

You Eat Less. Then Your Body Takes Less

A small pouch is made at the top of the stomach and the small intestine is rejoined below it, so food bypasses part of the gut. You eat less and you absorb less. That second half is where the extra power comes from — and where the lifelong obligations come from too.

Gastric Bypass in Turkey

Permanent · laparoscopic · six variants

Gastric Bypass (Roux-en-Y and Variants)

Laparoscopic, and published at around an hour in theatre. A small pouch is stapled off at the top of the stomach and the small intestine is brought up and joined to it, so food skips the rest of the stomach and the first stretch of gut. Roux-en-Y is the reference version, with two joins; the mini bypass, or one-anastomosis bypass, uses a single join. SASI/SADI and BPD/DS go further still. Which one suits you is a clinical judgement, not a menu choice.

Suitable for

BMI of 40 or above, or 35 and above with a related condition. Often the better operation where reflux or type 2 diabetes dominates the picture.

What to expect

60–80% of excess weight over 12–18 months. Two nights in hospital, mobile at around seven days, full recovery 3–6 months.

  • Permanent, and more demanding than a sleeve in what it asks of you afterwards
  • Restriction and reduced absorption — the source of both the results and the risks
  • Lifelong vitamin, mineral and protein monitoring, by blood test rather than guesswork
  • Frequently improves type 2 diabetes and reflux alongside the weight
  • Dumping syndrome is a real possibility, and it is a rule you learn rather than a fault
Meet the Team Who Will Treat You
Plastic Aesthetic and Reconstructive Surgery  - Emre Gönenç 2

M.D. Emre Gönenç

Plastic Aesthetic and Reconstructive Surgery

Dr Emre G. qualified in medicine at Uludağ University in 2007 and completed his specialist training in plastic, reconstructive and aesthetic surgery at Bezmialem Vakıf University between 2008 and 2014, with a research post at the University of Wisconsin School of Medicine and Public Health. He has worked in both public hospitals and private practice, and the reconstructive half of that training shows in how he plans an aesthetic case. He practises at Natural Clinic in Istanbul.


19+
Years experience
2,000
Treatments

Education

  • Title: Plastic Aesthetic and Reconstructive Surgery
  • Uludağ University Faculty of Medicine
Cost Transparency

Gastric Bypass Cost in Turkey

A mini gastric bypass costs €2,600 and a standard gastric bypass €2,700, each with two days in hospital and general anaesthesia included. SADI-S, a related operation, is €3,000. Compare these with typical bypass prices abroad below before your surgeon confirms which option suits you.

*Turkey figures are our euro price-list starting prices: €2,600 mini bypass, €2,700 Roux-en-Y, €3,000 SADI-S, €3,400 distalisation. A revision after someone else’s surgery is assessed, not listed. Weight loss of 60–80% of excess weight over 12–18 months varies widely and is not a guarantee; the bypass needs supplements and blood tests for life.

Expert Care in Istanbul

Hospital-grade facility with operating theatres and a ward on site.

Theatres & Ward On Site

Surgery, overnight stay and nursing in one building.

All-Inclusive Patient Package

Hotel, private transfers, interpreter and 24/7 aftercare coordination.

12 Months of Follow-Up

Twelve months of follow-up with a named contact after you fly home.

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Are you ready to start your journey to perfection today?

Why Turkey

Is It Worth Having a Gastric Bypass in Turkey?

The operation is an hour. What decides whether it works is the rest of your life — the supplements, the annual bloods, the protein, the dietitian you can reach. Ask any clinic what that support looks like at year four before you ask what the surgery costs.

why turkey bariatric (1)

Everything On One Site

Theatres, hospitalisation and aftercare in the same building, not a subcontracted hospital.

why turkey bariatric (2)

Six Variants, Not One

Six variants performed here, including revision — not one technique offered to everyone who walks in.

why turkey bariatric (3)

A Genuine Cost Difference

Lower operating costs, not lower standards. Roughly 70% below UK or US pricing, quoted per case.

why turkey bariatric (4)

Dietitian, Not Just Surgeon

Twelve months included — then annual bloods, arranged with your own doctor.

why turkey bariatric (5)

English-Speaking Care

Risks, diet stages and supplement rules explained properly in your own language.

why turkey bariatric (6)

The Year-Four Question

Ask who checks your bloods once our twelve months are up. The answer should be your own doctor.

Bypass Pathway

Less Intake, Less Absorption

A small pouch joined lower down the intestine — permanent, and nutritionally demanding.

  1. Eligibility

    BMI 40+, or 35+ With a Condition

    A BMI of 40 qualifies on its own; from 35, a weight-related illness such as type 2 diabetes, sleep apnoea or severe reflux is also needed.

  2. Reduced Absorption

    Why Blood Tests Never Stop

    Bypassing part of the intestine means vitamins must be supplemented and monitored.

  3. Laparoscopic Reroute

    Pouch and Connection

    Created through keyhole incisions, followed by two ward nights.

  4. Protein Targets

    Built Into the Diet Stages

    The dietitian sets protein goals alongside the liquid-to-solid progression.

  5. 12–18 Months

    Excess Weight Reduced by 60–80%

    Typical, not guaranteed; follow-up continues through the change.

Gastric Bypass FAQs

Gastric Bypass: Rerouting Digestion

Gastric bypass reduces intake and absorption. Here is who it suits and what it demands.

A gastric bypass creates a small stomach pouch and connects it directly to a lower section of the small intestine, bypassing most of the stomach and the first part of the intestine. This reduces how much you can eat and how many calories and nutrients your body absorbs.

A bypass is usually reserved for people with a BMI of 40 or more, or 35 and above when obesity is accompanied by type 2 diabetes, sleep apnoea or severe reflux. Because it reroutes digestion, the team also checks that you can commit to lifelong supplements and blood tests before recommending it.

A gastric sleeve mainly restricts how much food you can eat by reducing stomach size. A gastric bypass restricts intake and also reduces absorption by rerouting the digestive tract, which can lead to greater weight loss but requires closer nutritional monitoring.

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Keep Exploring

Where to Go Next

The sleeve is the operation most bypass enquiries end up comparing against. And after a bypass, the loose-skin question is more likely than not — that page is here too.

Personalised Care, Just for You

Find Out Which Bypass You Need — Free, in 24 Hours

Send your height, weight, medical history and any previous surgery. A surgeon replies with which variant your case calls for and why, what it would realistically achieve, what it costs with transfers and follow-up included, and whether a sleeve would get you there with less asked of you afterwards. Including when the honest answer is that surgery is not the right step yet. No obligation, no cost.

Get My Variant & Price
The Full Picture

Gastric Bypass in Turkey and the Deal That Comes With It

Gastric bypass is a permanent bariatric procedure in which a small stomach pouch is created and the small intestine rerouted. Several variants exist; which is appropriate, and whether a sleeve gastrectomy would be more appropriate, depends on body mass index, existing conditions and individual clinical assessment.

Gastric Bypass in Turkey and the Deal That Comes With It

8 min read

A bypass is the operation surgeons tend to reach for when a sleeve probably won't be enough. It works harder than a sleeve. It also asks more of you, every day, for the rest of your life, and that trade is worth understanding before you look at a single price for a gastric bypass in Turkey.

The section above shows how the gut is rerouted. Down here we've put everything around it. Which version of the operation fits which person, what happens to diabetes and reflux, the rules you'll live by afterwards, and how to read gastric bypass before and after photos. The cost comes at the end, including the parts nobody prints on a price list.

Who a gastric bypass is really for

The thresholds are higher than for a sleeve. A BMI of 40 qualifies on its own. Between 35 and 40, there has to be a health problem tied to the weight as well. Usually that's type 2 diabetes. Sometimes it's sleep apnoea, or heartburn that tablets have stopped touching.

Clearing the bar doesn't settle anything by itself. Where a gastric sleeve would do roughly the same job, surgeons usually go for the sleeve, and the reason is simple. Your gut keeps absorbing food normally. The bypass earns its place in particular situations. Very high BMI is one. Stubborn reflux is another, since a sleeve can make it worse while a bypass usually calms it. And a bypass is often the operation people end up with when a sleeve done years ago has stopped working.

Mini bypass, Roux-en-Y or SADI-S

People are often surprised there's more than one kind. We do several of them here. Which one ends up on your plan is a big deal, since the differences carry on long after you've healed.

Roux-en-Y has been around the longest, and surgeons have decades of data on it. It uses two joins. It's also the usual choice when reflux is part of the picture. The mini bypass, sometimes written OAGB, uses a single join, so there's a little less surgery involved. Bile can wash back up towards the stomach after a mini bypass in some people, which is one reason reflux sufferers are usually steered to Roux-en-Y instead.

SADI-S goes further. It pairs a sleeve with a longer bypassed section, so less of what you eat gets absorbed. That makes it stronger for very high BMI, and also stricter about supplements. Distalisation is different again. It's a revision for someone who already has a bypass and has regained, where the surgeon lengthens the bypassed part of the gut.

You don't pick from these like a menu. The surgeon proposes one after the tests, explains why, and writes it on your plan. Check that it's there.

Gastric bypass and type 2 diabetes

For many people with type 2 diabetes, this is the real reason they're here. Blood sugar often improves after a bypass, sometimes within days, well before most of the weight has gone. Some people come off diabetes medication altogether. Others need less of it. Nobody can promise which group you'll be in.

That quick change has a practical side. Doses that were right before surgery can push your sugar too low afterwards, so your own doctor needs to know the date of your operation and be ready to adjust things. Bring your current medication list to Istanbul. We'll send you home with notes for them.

The weeks before gastric bypass surgery in Istanbul

Paperwork comes first, boring as that is. Your notes and a recent set of bloods need to reach us before anyone picks a date, along with whatever you take each morning. Most people then have an endoscopy, and the surgeon leans on what it shows when deciding between the variants. You'll also meet your surgeon and your dietitian in person before anything happens.

Smokers get a harder conversation. Cigarettes make ulcers at the new join far more likely, and that stays true long after you've healed. It's a risk for life. We'd rather help you quit than pretend otherwise, so ask.

Gastric bypass risks worth knowing by name

Whether you have a gastric bypass in Turkey or at home, it's a big operation. Bleeding, infection and clots come with any surgery on this scale. On top of those, a bypass brings two particular problems that can surface long after you've stopped thinking about the operation.

The first is an ulcer at the join between pouch and gut. Smoking and anti-inflammatory painkillers are the big triggers, more on those below. The other one is an internal hernia. When the gut is rerouted, small spaces open up inside the abdomen. Once in a while, a loop of bowel slides into one and gets stuck. It might be three years later. It might be ten. If you ever get sudden, severe tummy pain that won't ease off, go to an emergency department, and say the words "gastric bypass" early.

Leaks from the joins can happen early on. They're uncommon, and they're the reason the ward team keeps such a close eye on you for those two nights.

Gastric bypass recovery

The operation itself is short, and you'll be encouraged to walk within hours. After two nights you'll usually move back to the hotel. Those early days are dull, honestly. You sip, you walk the corridor, you sip again. Two weeks in, plenty of people look and feel fairly normal, which can mislead them, because the joins inside haven't finished healing.

Weeks three to six are when food textures start returning and energy picks up. Full recovery takes three to six months. That sounds long. It's about the inside of your body, though, and most people with desk jobs feel ready for work well before then. The gastric bypass diet follows the same broad path as other weight loss operations, from liquids up to normal food, with your dietitian setting the pace. What's different is how much attention goes on protein, because you absorb less of it.

Dumping syndrome after gastric bypass

Eat something sugary after a bypass and it can rush straight into the small intestine. The result is called dumping. Within half an hour or so you might feel sick, crampy, sweaty and shaky, with your heart racing. Some people need to lie down. It's unpleasant, though not dangerous in itself.

There's a later version too. It's sneakier. Lunch was a sandwich and a biscuit, you felt fine, and then mid-afternoon you're shaky, sweating and a bit foggy. That's your blood sugar crashing. Both are handled the same way, by learning which foods set you off and leaving them out. Plenty of patients say dumping ended up being useful, because it put them off sweets without any willpower involved.

Supplements after gastric bypass

This is where a bypass asks most. Because part of your gut is skipped, some nutrients barely get absorbed at all. Iron, calcium, vitamin D and vitamin B12 are the usual problems. Many people end up having B12 as an injection every few months, since tablets don't always get through.

You'll take a multivitamin and the other supplements every day, for life. Blood tests come every year after the first twelve months, arranged with your own doctor at home. Skipping them is how people end up anaemic, or with brittle bones, years down the line without having felt much wrong along the way.

Painkillers, pills and other everyday changes

Anti-inflammatory painkillers are off the table permanently. That means ibuprofen, naproxen and aspirin at pain-relief doses, including the ones sold in cold and flu sachets. They're a major cause of ulcers at the join. Pharmacists are good at spotting these, so ask one before buying anything new. And mention the bypass to every doctor who treats you, even for something unrelated.

Your gut handles some medicines differently now. The contraceptive pill is the one that catches people out. It may not be as reliable, so it's worth asking your doctor about other methods. Then there's alcohol. It reaches the bloodstream much faster after a bypass, and research has linked the operation to a higher risk of drinking becoming a problem, so keep an honest eye on it.

Gastric bypass results and what "excess weight" means

The figure on this page is 60 to 80% of excess weight over 12 to 18 months. Excess weight is the amount you're carrying above a healthy weight for your height, not your total. Take someone 50 kilos above that. Losing 60 to 80% of it works out at roughly 30 to 40 kilos. That's what usually happens. It isn't guaranteed, and gastric bypass results differ hugely between people.

Some people regain over the years. Usually it isn't dramatic. A new job or a bad winter comes along, and the grazing quietly returns. The sooner you mention it to your dietitian, the less there is to undo. For larger regain, distalisation is one of the options a surgeon may discuss.

Gastric bypass before and after photos

Our gastric bypass before and after gallery is labelled at 12 and 15 months, which is roughly when the biggest change shows. Photos only capture size, though. They don't show someone's blood sugar settling, or the CPAP machine for sleep apnoea going back in the cupboard, and for a lot of bypass patients that's the bigger story. When you read gastric bypass reviews, or scroll through another clinic's before and after pictures, look out for that side of things.

Loose skin is common after this much loss, especially around the tummy and upper arms. Some people later choose a body lift or an arm lift, once their weight has held steady for a good while.

Gastric bypass cost and price in Turkey

The listed gastric bypass price in Turkey is €2,600 for a mini bypass and €2,700 for Roux-en-Y. SADI-S is €3,000 and distalisation €3,400. Each includes the operation, general anaesthetic and two nights in hospital. Transfers, an interpreter and twelve months of dietitian follow-up come with it. Revisions after surgery done elsewhere are assessed case by case.

That's well below typical UK and US prices. The full gastric bypass cost goes beyond the operation, though. Supplements are a monthly expense for life, B12 injections may add to it, and the yearly blood tests need booking at home. Budget for those from the start, and make sure the variant you're quoted for is the one written on your treatment plan. Our weight loss surgery page puts the bypass alongside the other options if you're still comparing.

Sending us your details

Height, weight, any previous weight loss surgery, and your current medication are the useful starting points. If you have diabetes or reflux, include your latest results. Our Istanbul team will tell you whether a gastric bypass in Turkey suits you, which variant they'd propose and why, or whether a sleeve would do the job with less asked of you afterwards.


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