SADI-S Surgery in Mexico — From $6,900, ~75–80% Excess Weight Loss
Single Anastomosis Duodeno-Ileal Switch — the modern, simpler version of the duodenal switch. One connection instead of two, comparable weight-loss outcomes, easier to revise. Performed by Dr. Alejandro López's team at Accredited hospitals.
What Is SADI-S Surgery?
SADI-S — Single Anastomosis Duodeno-Ileal Switch — is the modern simplified version of the traditional duodenal switch. It combines a gastric sleeve with a single intestinal bypass loop (one connection instead of the two used in classic DS).
Result: a faster, simpler surgery with comparable long-term weight loss and metabolic outcomes. Easier to perform, easier to revise, and recovery is similar to a primary sleeve. Performed laparoscopically through 4–5 small incisions in ~2 hours.
- Only one connection — fewer technical risks than classic DS
- Comparable weight loss to traditional duodenal switch (~75–80%)
- Strong improvement in metabolic health (~85–90%)
- Best for BMI 40+ patients seeking maximum results with less complexity
Also known as: SADI-S is also called SIPS surgery (Stomach Intestinal Pylorus-Sparing surgery) or Single Anastomosis Duodenal Switch. All three terms refer to the same modern, simplified version of the duodenal switch procedure.
Three Mechanisms — One Surgery
Restriction, malabsorption, and hormonal change — combined into a single anastomosis surgery.
Sleeve Restriction
The stomach is reduced ~70% (just like a gastric sleeve). You feel full quickly and eat smaller portions automatically.
Single-Loop Bypass
A loop of small intestine is bypassed with one connection — simpler than classic DS but still strongly malabsorptive.
Hormonal Reset
Gut hormones shift dramatically — hunger drops, blood sugar improves, and many patients experience significant improvement in type 2 diabetes (results vary by patient).
How SADI-S Compares
SADI-S offers DS-level outcomes with bypass-level simplicity. The best of both worlds for many high-BMI patients.
| Factor | Roux-en-Y Bypass | SADI-S | Duodenal Switch |
|---|---|---|---|
| Excess weight loss (1–2 yr) | ~70% | ~75–80% | ~80% |
| improvement in metabolic health | ~80% | ~85–90% | ~95% |
| Connections (anastomoses) | 2 | 1 (simpler) | 2 |
| Surgery time | ~90 min | ~2 hr | ~2.5 hr |
| Best for BMI | 35–50 | 40–55 | 50+ |
| Easier to revise | Yes | Yes (easiest) | Harder |
| Vitamin requirements | Moderate | Higher | Highest |
| Starting price (Mexico) | From $5,900 | From $6,900 | From $7,200 |
Is SADI-S Right For You?
SADI-S is the strongest "simple" bariatric procedure — ideal for patients who want maximum weight loss with manageable surgical complexity.
✅Ideal Candidates
- BMI of 40–55 (or 35+ with severe metabolic disease)
- Type 2 diabetes — strong resolution rate
- Want stronger weight loss than bypass with less complexity than DS
- Plateau or regain after sleeve — sleeve-to-SADI revision
- Committed to lifelong nutritional requirements and follow-up
- Adults 21–65 in generally stable health
⚠️Sleeve, Bypass, or DS May Be Better If
- BMI under 35 — gastric sleeve likely sufficient
- BMI 60+ — traditional duodenal switch may be stronger
- Severe pre-existing GERD — Roux-en-Y typically better
- Cannot commit to strict lifelong vitamin protocol
- Pregnancy, or planning pregnancy in the next 18 months
SADI-S Pricing in Mexico
Prices include hospital, surgeon, anesthesia, hotel, and ground transport. Flights excluded.
| Procedure | From (USD) |
|---|---|
| SADI-S — Tijuana | $6,900 |
| SADI-S — Guadalajara | $7,300 |
| SADI-S — Puerto Vallarta | $7,300 |
| Sleeve → SADI-S Revision | From $7,700 |
| Duodenal Switch (traditional) | From $7,200 |
* Prices may vary based on individual evaluation. Financing available.
What's Included When You Book
Step-by-Step — From Consultation to Recovery
Free Online Consultation
Talk with a patient coordinator, share your medical history, review whether SADI-S is the right option.
Medical Approval & Date Booking
Complete a thorough medical questionnaire and lab review. Approved patients pick a surgery date and location.
Travel & Arrival
Fly into your chosen city. Driver pickup at airport, transfer to hotel near the hospital. Bilingual support throughout.
Pre-Op Day
Lab work, EKG, and one-on-one consultation with Dr. López. Final surgical plan confirmed.
Surgery Day
Laparoscopic SADI-S at an accredited hospital. ~2-hour procedure under general anesthesia.
2-Day Hospital Recovery
Inpatient monitoring with ICU-level nursing. Walking same day. Liquid diet starts the day after surgery.
Hotel Recovery + Flight Home
1–2 days at the hotel under continued team supervision. Most patients fly home day 5–7.
Lifelong Nutritional Follow-Up
Phone check-ins, detailed vitamin schedule, lab monitoring plan. SADI-S patients require strict long-term follow-up.
What Recovery Looks Like
Recovery is similar to gastric sleeve in the short term, with a strict lifelong vitamin protocol.
Liquid Diet
Clear liquids, then full liquids. Sip slowly. Walk daily. No heavy lifting. Driver returns you to the airport.
Pureed Foods
Pureed proteins, soft eggs, yogurt. Most patients return to desk-job work. Light activity.
Soft Foods
Soft proteins, vegetables, soft fruits. Resume most activities. Begin gentle strength training.
Solid Foods & Lifelong Vitamins
Full diet of solid foods (small portions). Daily multivitamin, A, D, E, K, calcium, iron, B12 for life.
Where Dr. López Performs SADI-S
Same surgeon, same standard of care at all three locations.
Tijuana, Mexico
Fly to San Diego, 30-minute drive across the border. Lowest pricing — most popular for US patients.
Tijuana details
Guadalajara, Mexico
Mayo Clinic Network-affiliated hospital. Direct flights from Chicago, Texas, LA. Mexico's medical capital.
Guadalajara details
Puerto Vallarta, Mexico
Pacific coast resort recovery. Direct flights from Canada and major US cities.
Vallarta details
Dr. Alejandro López — Medical Director
Dr. López is one of a small group of Mexico surgeons routinely performing SADI-S. Trained at the University of Guadalajara with bariatric fellowship at Cook County Hospital in Chicago, he personally performs every SADI-S case using staple-line suturing for added safety.
“Seeing my patients happy with the results of my work — it will always be the goal of my life.”Learn More About Dr. López
SADI-S Patients — Before & After
Patients with severe obesity (BMI 40+) achieve duodenal-switch-level results with simpler surgery and easier recovery.
“Started at BMI 48 with type 2 diabetes. Down 110 lb at 14 months — blood-sugar significantly improved, no longer needing daily medication, finally able to keep up with my kids. The recovery was easier than I expected.”
SADI-S Patient Reviews
“BMI 49 with diabetes. SADI-S in Tijuana with Dr. López. Down 100 lb at one year, blood sugar from 9.2 to 5.4. Best decision of my life.”
“Sleeve regain after 6 years. Converted to SADI-S in Guadalajara. Down 80 lb at 11 months — way more effective than my original sleeve.”
“Doctor recommended SADI-S over DS because the recovery is easier. He was right — felt 90% normal at 3 weeks. Down 95 lb.”
“Vallarta location for my SADI-S. Hospital was excellent, recovered at the beach. Blood-sugar levels improved significantly within weeks. Down 85 lb at 9 months.”
Frequently Asked Questions
Is SADI-S safe?
How is SADI-S different from duodenal switch?
How is SADI-S different from gastric bypass?
How much weight will I lose?
Will I need lifelong vitamins?
Can I have SADI-S if I had a sleeve already?
Is SADI-S reversible?
How long is recovery?
How much does SADI-S surgery cost in Mexico?
SADI-S surgery in Mexico starts at $6,900 USD all-inclusive in Tijuana, and $7,300 USD in Puerto Vallarta and Guadalajara. The package covers hospital fees, surgeon, anesthesia, pre-op labs, 2-night hospital stay, hotel, ground transport, and 12-month follow-up — typically 70–75% less than U.S. pricing of $22,000–$35,000.Is SADI-S available in Tijuana?
Yes. ALO Bariatrics performs SADI-S in Tijuana at Hospital Dreams, with the same surgical team led by Dr. Alejandro López who operates in Puerto Vallarta and Guadalajara. Tijuana offers the most affordable SADI-S pricing in Mexico — from $6,900 USD all-inclusive.Who performs SADI-S in Mexico?
Dr. Alejandro López, Medical Director of ALO Bariatrics with 20+ years of experience and 20,000+ bariatric procedures, performs SADI-S at all three locations (Tijuana, Puerto Vallarta, Guadalajara). He is board-certified and a member of ASMBS, IFSO, and FACS.What's the difference in cost between SADI-S and duodenal switch?
Duodenal switch (DS) starts at $7,200 USD while SADI-S starts at $6,900 USD — a $300 difference. SADI-S is the modern single-anastomosis version of DS, with shorter operative time (~2 hours vs ~3+ hours), faster recovery, and comparable long-term weight-loss outcomes (~75–80% excess weight loss).How long does SADI-S surgery take?
SADI-S takes approximately 2 hours under general anesthesia, performed laparoscopically through 4–5 small incisions. You'll typically stay 2 nights in the hospital and 3–5 days total in Mexico before returning home.Ready for the Best of Both Worlds?
Free consultation. We'll review whether SADI-S is the right balance of simplicity and power for your case.
Bariatric Resources
Comparing procedures? Browse all weight loss surgery options in Mexico — full comparison of SADI-S vs sleeve vs bypass vs duodenal switch with pricing.
Your Journey
What Happens Next?
- Submit your information
- Coordinator contacts you
- Receive personalized options
- Schedule your consultation
- Certified Surgeons. 20+ years experience
- 20,000+ procedures performed
- ASMBS · IFSO · FACS members
- Accredited hospitals with ICU