Prepare for success with our expert-led Pre-Op Bariatric Program at Dr. Sandy Bariatrics. From our specialized liver-shrinking diet to mindset coaching, we ensure the highest safety and best results for your weight loss surgery in Tijuana.
Dr. Sandy Martinez does not believe in a "one-size-fits-all" approach to weight loss surgery. Based on clinical data and Asdrubal’s behavioral system, we have tailored your preparatory diet to your specific Body Mass Index (BMI).
Find your current BMI in the portal below and click to unlock your exact medical and nutritional timeline.
Rewiring your brain is just as important as preparing your body. Start practicing these rules right now to ensure a smooth recovery and long-term success:
Strictly follow these milestones to ensure a safe procedure:
⏳ 2 Months Prior – The Clean Start
⏳ 14 Days Prior – Internal Cleanse
⏳ 7 Days Prior – Medication Safety
🚨 2 Days Prior – Medical Fasting Begins
🚨 8 Hours Prior – Final Countdown
Your official diet phase is only 7 days, so let's make grocery shopping easy. Here is exactly what you should add to your cart this weekend:
This week is about mental discipline. Start practicing these habits today:
Even though your strict food diet is only 1 week, your medical preparation starts much earlier. You must strictly follow these milestones:
⏳ 2 Months Prior to Surgery
⏳ 14 Days Prior to Surgery
⏳ 7 Days Prior to Surgery (Your Diet Starts Today!)
🚨 2 Days Prior to Surgery (Clear Liquid Phase)
🚨 8 Hours Prior to Surgery (The Final Race)
Because your pre-op window is only 7 days, you must be 100% compliant. By eliminating carbs and sugars this week, your liver will rapidly shed fat and water, shrinking to a safe size for surgery.
During days 7 to 3, you will consume 2 to 3 solid meals and 1 to 2 protein shakes per day.
🥤 Approved US Protein Shakes (Find them at Costco, Walmart or Amazon): Must have ≥20g protein and ≤5g sugar.
✅ ALLOWED SOLID FOODS (Green Light):
❌ STRICTLY PROHIBITED: Sugar, bread, rice, pasta, tortillas, potatoes, corn, dairy milk, full-fat cheese, alcohol, and caffeine.
Since you will be on this diet for two full weeks, you might have to attend a social event, a work lunch, or a family dinner. Here is how you survive eating out in the US without breaking your pre-op diet:
Use these 14 days to practice the habits that will dictate your post-op success:
Your surgical safety depends entirely on following these medical milestones. You must strictly follow this timeline:
⏳ 2 Months Prior to Surgery
⏳ 14 Days Prior to Surgery (Your Diet Starts Today!)
⏳ 7 Days Prior to Surgery
🚨 2 Days Prior to Surgery (Clear Liquid Phase)
🚨 8 Hours Prior to Surgery (The Final Race)
For the next two weeks, your goal is to deplete your body's glycogen stores by cutting out carbs. This will force your liver to shrink, making it lighter and safer for Dr. Sandy to lift during your surgery.
During days 14 to 3, you will consume 2 to 3 solid meals and 1 to 2 protein shakes per day.
✅ ALLOWED SOLID FOODS (Green Light):
❌ STRICTLY PROHIBITED: Sugar, bread, rice, pasta, tortillas, potatoes, corn, peas, dairy milk, full-fat cheese, alcohol, and caffeine.
1. The "Sheet Pan" Lemon Asparagus Salmon This requires almost zero clean-up and is perfect for a quick weeknight dinner.
2. Ground Turkey "Taco" Lettuce Boats Craving Taco Tuesday? This hack eliminates the carbs but keeps the flavor.
3. "Weight Loss Magic Soup" (The Hunger Killer) Make a large batch on Sunday. Whenever you feel hungry between meals, eat a bowl of this.
Exactly 48 hours before your surgery, you must stop all solid foods and protein shakes. You may ONLY consume:Water, Crystal Light, clear chicken/beef broth, apple juice (diluted 60/40 with water), sugar-free Jell-O, and sugar-free popsicles.
Three weeks is the exact amount of time it takes to build a new habit. You are literally rewiring your brain before surgery! However, you might hit the "Week 2 Slump" where boredom sets in. Here is how to beat it:
Your surgical safety depends entirely on following these medical milestones. You must strictly follow this timeline:
⏳ 2 Months Prior to Surgery
⏳ 14 Days Prior to Surgery
⏳ 7 Days Prior to Surgery
🚨 2 Days Prior to Surgery (Clear Liquid Phase)
🚨 8 Hours Prior to Surgery (The Final Race)
Because of your BMI range, your liver needs a full 21 days of low-carb, high-protein eating to shrink sufficiently. A smaller liver ensures Dr. Sandy has a clear, safe view during your laparoscopic procedure.
During days 21 to 3, you will consume 2 to 3 solid meals and 1 to 2 protein shakes per day.
✅ ALLOWED SOLID FOODS (Green Light):
❌ STRICTLY PROHIBITED: Sugar, bread, rice, pasta, tortillas, potatoes, corn, peas, dairy milk, full-fat cheese, alcohol, and caffeine (if possible).
Eating chicken and broccoli for 3 weeks gets old. Use these US-grocery hacks to keep your meals exciting without breaking the rules:
1. The "Costco Rotisserie" Hack
2. "Egg Roll in a Bowl" (Asian Cravings Fix)
3. The Savory Shake Hack
Exactly 48 hours before your surgery, you must stop all solid foods and protein shakes. You may ONLY consume:Water, Crystal Light, clear chicken/beef broth, apple juice (diluted 60/40 with water), sugar-free Jell-O, and sugar-free popsicles.
You are about to embark on a 6-week journey that will completely reset your metabolism before you even step foot in the operating room. Because this is a longer phase, you might experience "Diet Fatigue." Here is how to stay strong:
Your surgical safety depends entirely on following these medical milestones. You must strictly follow this timeline:
⏳ 2 Months Prior to Surgery
⏳ 14 Days Prior to Surgery
⏳ 7 Days Prior to Surgery
🚨 2 Days Prior to Surgery (Clear Liquid Phase)
🚨 8 Hours Prior to Surgery (The Final Race)
For higher BMI ranges, the liver requires more time to fully deplete its fat and water stores. These 6 weeks of low-carb, high-protein eating are absolutely critical to ensuring Dr. Sandy has a clear, safe view during your laparoscopic procedure.
During weeks 6 down to your final 3 days, you will consume 2 to 3 solid meals and 1 to 2 protein shakes per day.
✅ ALLOWED SOLID FOODS (Green Light):
❌ STRICTLY PROHIBITED: Sugar, bread, rice, pasta, tortillas, potatoes, corn, peas, dairy milk, full-fat cheese, alcohol, and caffeine.
To survive 6 weeks without getting bored, you need variety and smart shopping strategies:
1. Embrace the Air Fryer
2. The "Pasta" Illusion
3. Combatting Sweet Cravings
Exactly 48 hours before your surgery, you must stop all solid foods and protein shakes. You may ONLY consume:Water, Crystal Light, clear chicken/beef broth, apple juice (diluted 60/40 with water), sugar-free Jell-O, and sugar-free popsicles.
You are taking a brave, life-saving step. Because of your BMI range, these 8 weeks are about far more than just shrinking your liver; they are about proving to yourself that you are ready for a new life.
To ensure Dr. Sandy can operate with the highest level of safety, you must strictly follow this timeline:
⏳ 2 Months Prior to Surgery (Your Diet Starts Now!)
⏳ 14 Days Prior to Surgery
⏳ 7 Days Prior to Surgery
🚨 2 Days Prior to Surgery (Clear Liquid Phase)
🚨 8 Hours Prior to Surgery (The Final Race)
At a higher BMI, the liver carries a significant amount of weight and volume. These 8 weeks of strict low-carb, high-protein eating are absolutely mandatory to shrink the liver, allowing Dr. Sandy to safely navigate your abdomen during the laparoscopic procedure.
During weeks 8 down to your final 3 days, you will consume 2 to 3 solid meals and 1 to 2 protein shakes per day.
✅ ALLOWED SOLID FOODS (Green Light):
❌ STRICTLY PROHIBITED: Sugar, bread, rice, pasta, tortillas, potatoes, corn, peas, dairy milk, full-fat cheese, alcohol, and caffeine.
Because you are drastically reducing your calories for an 8-week period, you might feel significant hunger initially. Use these "volume eating" hacks:
Exactly 48 hours before your surgery, you must stop all solid foods and protein shakes. You may ONLY consume:Water, Crystal Light, clear chicken/beef broth, apple juice (diluted 60/40 with water), sugar-free Jell-O, and sugar-free popsicles.
The weeks leading up to your procedure are critical. In this video, top bariatric surgeon Dr. Sandy Martinez explains exactly how our specialized pre-op diet shrinks your liver, drastically reduces surgical risks, and paves the way for a smooth, painless recovery. When you choose us for your bariatric surgery in Tijuana, you are never doing this alone.
Overcoming obesity requires more than just willpower; it requires understanding the brain. Asdrubal Martinez is the creator of Dr. Sandy Martinez’s unique pre-and-post-operative psychological system. With over 10 years of clinical experience specializing exclusively in patients suffering from severe obesity, he bridges the gap between behavioral psychology and clinical nutrition.
"My goal is not just to help you lose weight for surgery, but to help you rewire your relationship with food permanently. We are here to heal the root cause, so you can thrive for the rest of your life."
Your transformation begins long before you arrive in Tijuana. Schedule your comprehensive nutritional and psychological evaluation with Asdrubal Martinez today. Together, we will map out your personalized readiness plan to ensure you are physically and mentally prepared for your new life.
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