WOMAN out for a walk


Very obese patients may have a hard time achieving their weight loss goals. With your health on the line, you need an effective solution.

SADI-S offers aggressive weight loss potential as it combines restrictive and malabsorptive components.

ALO Bariatrics in Tijuana, Mexico, has helped thousands of patients achieve their weight loss goals and can help you do the same.

Save Money, Live Healthier With Medical Tourism

While the price of bariatric surgery may be high in your home country, our practice in Tijuana, Mexico, offers safe, effective procedures at low rates. With packages that include transportation, medical evaluations, hotel stays, and more, patients continue to choose us for medical tourism.

What Is SADI-S?

​Single anastomosis duodeno-ileal bypass with sleeve gastrectomy (SADI-S) is a modern take on the duodenal switch (biliopancreatic diversion with duodenal switch) procedure. 

Duodenal switch procedures start with a sleeve gastrectomy, the removal of 80% of the stomach. The surgeon then reroutes the intestines to shorten the path your food takes.

SADI-S is a similar procedure. It starts with a sleeve gastrectomy, then the new stomach sleeve is sewn to a loop of the small intestine to bypass most of the bowel.

The main difference between the biliopancreatic diversion with duodenal switch and SADI-S procedures is the single anastomosis (reconnection within the gastrointestinal tract). While duodenal switch requires two, SADI-S requires just one.

Biliopancreatic Diversion (SADI-S) diagram showcasing the direction food travels through the oesophages next to the stomach. From the gall bladder, bile travels down the Biliopancreatic limb. Together food and bile travel down the common channel (250-300cm) into the ascending colon.

How SADI-S Aids in Weight Loss

Sleeve gastrectomy is a restrictive weight loss procedure, meaning it reduces the amount of food your stomach can hold. It helps you feel fuller faster, and with less food. It also removes the part of the stomach that produces most of your ghrelin, the hunger hormone, lowering your appetite.

The gastric bypass portion of the surgical procedure reroutes the intestines to result in a malabsorptive effect, so your body absorbs fewer calories.

This combination leads to consistent, healthy, and sustainable weight loss.

Slim Your Figure and Improve Your Health Contact ALO Bariatrics in Tijuana, Mexico, Today

Patient before bariatric surgery
Patient after bariatric surgery
Drs. Alejandro Lopez and Salvador Ramirez have helped many patients achieve their goals through bariatric surgery. SADI-S is often recommended for very obese patients as it has both restrictive and malabsorptive components. If you struggle with your weight, we can help you explore this procedure. Contact our Tijuana office to get started.
"From the drivers to every single nurse and doctor, this place was simply AMAZING. If I could give it 100 stars I would. They made us feel so safe. The dr’s are amazing and the nursing staff was hands down top notch. Better than any care I have ever received in the US. If you are on the fence do it! This place is amazing!" Francies Gardner

ALO Bariatrics Is a Prime Choice for Surgery Why Patients Choose Our Tijuana, Mexico, Practice

Convenient Location

ALO Bariatrics is just 15 minutes from the San Diego International Airport, and you won't have to worry about transportation. We have chauffeurs who will pick you up and drive you across the border.

Years of Experience

Since 2005, Drs. Lopez and Ramirez have performed thousands of bariatric surgeries to help patients achieve their weight loss goals. Our doctors are both renowned researchers and are certified in laparoscopic surgery.

Affordable Prices

ALO Bariatrics keeps prices low, so patients in the United States and Canada can receive the bariatric surgery they need for a fraction of the cost in their home country.

The Cost of Weight Loss Surgery

Location Gastric Sleeve Gastric Bypass Duodenal Switch LAP-BAND
Tijuana $4,700 $6,300 $7,300 $5,700
Puerto Vallarta $4,900 $6,500 $7,500 $5,900
Guadalajara - Puerta de Hierro $4,700 $6,300 $7,300 $5,700

person on scale

Candidates for SADI-S

SADI-S is an excellent solution for patients who:

  • Have tried losing weight with diet and exercise, but have been unsuccessful
  • Have experienced weight regain after a failed bariatric surgery
  • Are not pregnant, breastfeeding, or planning to become pregnant
  • Have a body mass index over 50
  • Have a BMI of 35-49 with an obesity-related condition

Check Your BMI

The SADI-S Procedure

When you come to our Tijuana, Guadalajara, or Puerto Vallarta hospital for your bariatric surgery, you can expect these steps:
Our experienced, certified surgeons perform bariatric and metabolic procedures at state-of-the-art hospitals in Tijuana, Guadalajara, and Puerto Vallarta.
Our experienced, certified surgeons perform bariatric and metabolic procedures at state-of-the-art hospitals in Tijuana, Guadalajara, and Puerto Vallarta.


Anesthesia will be administered to keep you sedated and comfortable throughout your procedure.


Incisions will be made in the abdomen so your bariatric surgeon has access to the treatment site. Whenever possible, Dr. Lopez prefers to work laparoscopically to give patients less scarring and a faster recovery time.

Sleeve Gastrectomy

Your bariatric surgeon will perform a sleeve gastrectomy. Eighty percent of your stomach will be removed during this procedure, and the remainder of your stomach will have a sleeve-like appearance.


Your bariatric surgeon will reroute your intestines to bypass much of your digestive system.


The medical instruments will be removed and your incisions will be sutured close.


You may be required to stay in the hospital for 1-2 days so medical professionals can ensure you're healing properly.


Can SADI-S be used as a revision surgery?

Yes. If you've received a bariatric surgery in the past, but aren't experiencing the results you hoped for, SADI-S can be used to modify your existing procedure to aid in further weight loss or address weight regain. SADI-S can be used as both a primary bariatric surgery and a revision.

Does SADI-S require one procedure or two?

The SADI-S procedure can be completed in a single surgery or split into two appointments for the sleeve gastrectomy and the bypass. What's best for you will depend on your goals and weight. Very obese patients may benefit more from scheduling their appointments months apart because this will allow them time to lose weight between surgeries, lowering risk factors.

What dietary changes must I make?

In addition to abiding by a special diet in the weeks after your single anastomosis duodeno-ileal bypass, you will have to eat smaller portions of food and take vitamin and mineral supplements for the rest of your life.

"Had surgery with the ALO team 8 months ago and It was an incredible experience. They were very professional, and they were very patient with me. As a physician , I can say the quality of care that I saw in this hospital was on par with american facilities. Would recommend to anyone in a heartbeat" Jose Martin del Campo
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ALO Bariatrics

ALO Bariatrics provides expert, safe, and effective weight loss surgery in Tijuana, Guadalajara, and Puerto Vallarta, Mexico. Patients from around the world travel to Mexico to receive affordable care from our highly trained bariatric surgeons. We are affiliated with several notable organizations, including:

  • The International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO)
  • The American Society for Metabolic and Bariatric Surgery (ASMBS)
  • The American Association for Accreditation of Ambulatory Surgery Facilities (AAAASF)
  • The Federal Commission for Protection against Sanitary Risk (COFEPRIS)
  • The Fellow American College of Surgeons (FACS)

For more information on ALO Bariatrics, or to begin your weight loss journey, we encourage you to call (844) 461-2831.

Contact Us Today

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Tijuana Hospital

Gob. Ibarra 9721, America, Zona Cacho
Tijuana, BCN 22044

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Av. Empresarios 150, Puerta de Hierro
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Zapopan, JAL 45116

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Blvrd Francisco Medina Ascencio 2760
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Puerto Vallarta, JAL 48333

Open Today 9:00am - 6:00pm

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