2 Week Pre Bariatric Surgery Diet

Disciplined Diet Before And After Weight

2 Week Pre-Op Diet 2018| Weight Loss Surgery

The decision to undergo bariatric surgery isnt easy. People suffering from obesity and its side effects come to this decision after years of struggling and failing to lose weight through diet and exercise.

Aside from choosing to undergo surgery after consulting with a physician, your biggest requirement is commitment to a lifestyle change of eating the right foods in the right portions, losing weight and keeping the weight off for the rest of your life. And that change must begin before surgery.

Why Are Our Stomachs Sensitive To Reintroducing Food

It can be helpful for patients to think of their postoperative state as having a newborn stomach. Sutures and other modifications made in surgery mean patients have to build their digestion up by slowly reintroducing different types of foods, and taking care of themselves by keeping hydrated.

For example, in the gastric sleeve procedure, a patients stomach will have been stapled vertically. These staple lines are quite delicate, and if the patient were to have solid food right off the bat, they could potentially open them increasing the risk of going septic in addition to other complications. Maintaining a liquid diet after surgery wont affect the sutures it will also prevent leaking of the patients new stomach.

Regardless of procedure performed, many patients have a low food tolerance following surgery because their stomach has been altered so much. A liquid diet is the ideal way for patients to get the nutrients they need while still allowing their stomach to heal following surgery.

Pre Bariatric Surgery Liquid Diet

Liquids will comprise a major part of your 3 month pre bariatric surgery diet. Throughout this phase, you should be conscious about drinking at least 6 to 8 glasses of water a day to stay hydrated. Avoid caffeinated, carbonated, sugary and alcoholic beverages as much as possible, but focus on water, protein shakes, broth, clear soups, sugar-free juices, and gelatins.

Pre bariatric surgery liquid diet Full liquids

  • Protein shakes

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Dietary Guidelines After Bariatric Surgery

It is very important to follow the recommended dietary guidelines after undergoing bariatric surgery. These guidelines were carefully designed by your health care providers, with the goal of limiting the amount of calories you consume, while providing balanced meals that help prevent nutrient deficiencies and preserve muscle tissue.

This new way of eating may seem overwhelming at first, but over time, most patients find the guidelines become an unconscious part of their daily routine. If you are experiencing trouble following the guidelines, please contact UCSF Bariatric Surgery at 353-2161. Our staff is here to help you.

Diet For The First Two Weeks Post


You will begin adding thicker liquids that are high in protein and low in fat and sugar. You may use high-protein, low-calorie liquid supplement drinks or powders to meet your protein requirements during this period.

The goal is to consume small portions that will empty easily from your pouch. Begin with 1 tablespoon portion sizes and increase to 2 tablespoons as tolerated. Begin drinking 1/4 cup of liquid at a time and increase to a 1/2 cup as tolerated. Your daily caloric intake should not exceed 400 calories.

It is also very important to stay well hydrated. Drink 1 to 1.5 liters of water or other non-caloric liquids per day.

Recommended thicker liquids:

  • Nonfat or 1% milk, if you can tolerate milk
  • Lactose-free or soy-based low-calorie drinks
  • Sugar-free pudding
  • Low-fat cottage cheese
  • Blended broth-based soup or other low-fat soups
  • Refined hot cereals that are low in fiber, such as cream of rice or cream of wheat. Make them with extra liquid to create a soup-like consistency. Do not eat oatmeal.
  • Optional high-protein, low-calorie liquid supplement drinks .

To increase your protein intake, add 2 tablespoons non-fat dry milk powder, egg substitute or powered egg, or other protein powder to each 1/2 cup of nonfat or low-fat milk. You can also add these to soups, hot cereal and other thick liquids.

Remember to drink 1 cup of water or other non-caloric fluids between meals. Take a multivitamin supplement every day.

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Some Of The Symptoms You Can Expect To Experience Include:

  • Extreme Hunger Pains
  • Nausea, Constipation, Diarrhea
  • Mood Swings

The symptoms listed above are completely normal, and they should subside within 3 to 4 days, once your body gets used to consuming so few calories and carbohydrates. Drinking 64 oz of sugar-free beverages and broth can help with the severity of these symptoms.

Tips To Survive Liquid Diet Before Bariatric Surgery

When you gain excess weight or suffer from obesity, your body demands more food in order to keep you energized. This becomes a vicious cycle, which can be hard to break. In this situation, it can be appear a daunting task when your surgeon asks you to go on a pre bariatric liquid diet. Here are a few proven tips on how to survive liquid diet before bariatric surgery.

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How Many Calories Carbs Protein

The bariatric preop diet isn’t standardized, so how many calories, carbs, and protein youre allowed will vary slightly from surgeon to surgeon.

These are typical guidelines:

  • Less than 1000 calories per day
  • Less than 50 grams of carbohydrate per day*
  • Protein 60-100 grams per day**

*Note: If youre at risk of hypoglycemia, you may need to adjust medications and/or slightly increase carbohydrates. Be sure to check with your doctor before starting the diet.

**Maintaining high protein while you restrict calories and carbs is important for preserving lean muscle mass.

But what am I going to be able to eat?

Weight Loss Surgery Requires Lifestyle Change

2 Week Liquid Diet Before Gastric Sleeve For Effective Result

Dear Renae,

The weight loss requirement prior to surgery has become more of a standard of care in the Bariatric community as it has many benefits for the patients.

The choice of liquid diet or not prior to surgery is a decision made between the surgeon and the patient.

The most important point is to start addressing the life-long eating habits and behavior that has led to morbid obesity that surgery alone will not change.

The surgeon operates on the stomach and not the mind.

Short and long-term weight loss success and health maintenance is dependent on honesty with oneself and a commitment to making lifestyle modification in eating and food choices long before and after the surgery.

The more time dedicated to change before the surgery, the better.

To your good health,Nadia Barhoumeh-Lee, RN

DISCLAIMER: This educational advice is based on the depth of your question and the details provided. The above should never replace the advice of your local physicians as they have the ability to evaluate you in person.

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Heres What To Expect From A Liquid Diet In The Weeks Before Bariatric Surgery

So youve made the appointment for your bariatric surgery and are excited to embrace new lifestyle changes in your weight loss journey. Although WeightWise wont prescribe an all-liquid diet prior to surgery, there are occasions when it is necessary. Such as if the patient isnt at their goal weight before the procedure.

In the weeks before surgery, your surgeon will assign a liquid diet leading up to the date. Adhering to a liquid diet before bariatric surgery is critically important to the operations success and your health moving forward. Heres what you can expect from an all-liquid diet before weight loss surgery.

What Does The Pre

Two weeks before surgery, youll go on a mostly liquid diet, though some solids may be permitted depending on your situation. In general, your diet will consist of:

  • Protein shakes
  • Protein powder in low-calorie fluids>
  • Water
  • Other high-protein, low-calorie fluids and foods

The goal is to keep your calorie and carbohydrate intake to a minimum while also increasing protein. By reducing calories, youll shrink your liver, which is perhaps the most important goal here. This is because obese patients often have whats called fatty liver disease, and your surgeon will need to get around your liver to access your stomach for surgery.

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Your Guide To The Pre Bariatric Surgery Diet

The pre-bariatric surgery diet is one the most anticipated events before undergoing weight loss surgery. As a dietitian, I often hear the following concerns:

Will I be able to do it?

What happens if I cant do it?

What will I be able to eat?

Whats it like?

Today I want to answer these questions for you. I will also be providing you with a sample meal plan at the end of this article that you may find helpful.

Disclaimer: This material is considered for educational purposes only. Please direct all questions to your doctor. This article contains affiliate links which means I make a small amount of money if you choose to purchase a recommendation.

What Is Gastric Sleeve Surgery

Pre Bariatric Diet Checklist #lowfatdiet

Gastric sleeve surgery is a form of gastrectomy. It encompasses the excision of part of your stomach. The idea is to make your stomach smaller to decrease the volume of food it can hold.

This surgery is restrictive and slightly malabsorptive. The malabsorption can specifically affect vitamin B12 after gastric bypass and gastric sleeve surgery.

This procedure is permanent. However, it can be revised if necessary. Many insurance companies will cover this type of bariatric surgery.

The success of your gastric sleeve surgery is dependent on your ability to adhere to a healthy eating plan and lifestyle.

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Can I Eat Any Solid Food

While pre-op diets consist mostly of liquids during the week or two prior to surgery, youll be able to eat solids up until that point. In some cases, you may also be allowed some solids or semi-solids before your operation, but liquid intake will be more of a priority the closer to surgery you get. It will also continue for a while post-op, after which youll start to slowly phase in solids.

Some of the solid foods you might be allowed to consume are:

  • Fish
  • Watered down hot cereal, such as cream of wheat, grits, or oatmeal
  • Light yogurt

What Liquids Should I Avoid

The most important groups of liquids to avoid during your pre-op liquid diet are carbonated and/or heavily caffeinated beverages like energy drinks. You should also stick to sugar-free beverages. Alcohol, which can also damage the liver and irritate the inner lining of the stomach, is also not permitted.

Below is a list of liquids that are best to consume during your 2-week pre-op liquid diet, although, again, each surgeon will have their own recommendations.

Recommended Pre-Op Liquids:

  • 4-5 protein shakes per day
  • Water
  • Diluted vegetable juices
  • Fiber supplements

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Bariatric Surgery Pre Op Diet Cheating

When you embark on your 3 month pre bariatric surgery diet program, you should remember that you havent yet had the surgery. Therefore, it is going to require more will-power and commitment to follow the dietary guidelines. But this is also the time to remember that frequent bariatric surgery pre op diet cheating will set you up for a false start, and your schedule procedure may have to be delayed.

Once in a rare while, it is acceptable to indulge yourself and deviate from the prescribed daily pre bariatric surgery menu plan. However, if you believe that you are getting trapped in a bariatric surgery pre op diet cheating cycle, you must inform your surgeon as soon as possible. Their nutrition specialist team will work closely with you to help you stay on course and be all set for a safe weight loss surgery.

Two Weeks Before: Liver Reduction Diet

Gastric Sleeve Surgery :: Pre-Op Diet Week 1

Patients are asked to adopt a liver reduction diet for two weeks leading up to the date of their surgical procedure. The goal of this is to optimize the patients condition going into surgery. This high protein-low carb eating plan is designed to get rid of excess fat that may be on the patients liver.

Many people do notice fairly significant weight loss during this time due to the change in their eating habits. However, patients are usually surprised to find out that the liver reduction diet is not an exclusively-liquid diet, but rather contains lean protein and green vegetables.

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What Happens If I Cheat On The Pre Bariatric Surgery Diet

The purpose of the pre-op liquid diet is to help shrink your liver. Your liver is normally surrounded by glycogen. Glycogen is a fuel source for your body. When your body does not get enough calories from food, it begins to use your glycogen storage as a fuel source instead. The glycogen is broken down into glucose so your cells can have energy.

So in a nutshell, if you cheat on the pre-op liquid diet youre putting your health at risk and possibly increasing your recovery time after surgery or even risk of death.

With that being said, its important to communicate with your surgeons team if you did not stick with the pre-surgery diet. Depending on what you ate, they may or may not cancel surgery.

Month Pre Bariatric Surgery Diet

Posted by Jet Medical Tourism® | Last updated Jun 4, 2021 | Bariatric Surgery, Gastric Bypass Surgery, Gastric Sleeve Diet, Gastric Sleeve Surgery

Your diet is probably the most important component in your post-bariatric weight loss journey. It begins with a 3 month pre bariatric surgery diet plan, and continues well after the surgery is over. Your dietary commitment should ideally begin the day you have decided to go ahead with a weight loss surgery.

At your initial appointment, your surgeon and their nutritionist will provide you detailed instructions for a 1200 calorie pre bariatric surgery diet. The success of your surgery is contingent upon how diligently you pre bariatric surgery diet guidelines.

Contact Jet Medical Tourism® today.

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What About My Medications

Certain medications must also be discontinued prior to surgery. Included are:

  • Arthritis medications
  • NSAIDs, including aspirin and aspirin alternatives, such as Tylenol, Advil, Motrin, and Aleve
  • Herbal supplements
  • Anticoagulant medications

Be sure to ask your doctor for more details and if you have concerns about medication restrictions prior to surgery.

Bari Life Bariatric Pre Op Diet

fruit vegetable and chicken diet before and after

The Bari Life Pre-Op Bariatric Diet is designed to put you in the best condition possible to undergo a surgical procedure. Our diet should help reduce the size of your liver, and in doing so will minimize the risk factors that come with surgery. If you follow the diet as prescribed, you will lose weight and reduce the chances of complications during your procedure.

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Why Do I Need A Liquid Diet Before Bariatric Surgery

Once you have made the life changing decision to take control of your health and undergo bariatric surgery, its time to begin the preparation process. Completeness and detailed planning are needed to maximize your safety and achieve the success you are dreaming of. There are medical and surgical assessments, evaluations with nutritionists and counselors, as well as education on what to expect after your surgery and the steps you will need to follow in order to maximize your weight loss success.

This can sometimes feel like a lot of information to digest, not to mention the fact that you are preparing your body to undergo surgery. While most bariatric procedures are performed using minimally invasive techniques requiring less down time, there are still measures every patient needs to take to ensure they are ready on the day of their surgery.

One specific aspect is the pre-op liquid diet that bariatric patients must follow leading up to surgery. The following is a breakdown of the bariatric surgery liquid diet to help you understand exactly what it is and substances you should avoid before your bariatric procedure.

Why Liquid Diet Before Bariatric Surgery

It is important to know why liquid diet before bariatric surgery is recommended. Once you understand its benefits, it gets easier to stay motivated and comply with your surgeons directions. Remember that even the best liquid diet for weight loss surgery will work only when you diligently adhere to it. Non-compliance may result in a postponement of your surgery.

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How Long Is The Gastric Sleeve Pre

The duration of your pre-op diet is determined by your current BMI. Like we learned a moment ago, the lower your BMI, the lower your chances of complications happening. So it stands to reason that the higher your BMI, the longer youll be on the pre-op diet.

Specifically, heres how the diet-duration relates to BMI values:

  • BMI < 38: Exempt from the diet, but you will follow the 2 days of liquids prior to surgery*
  • BMI 38 39.9: Youre on the diet for One Week
  • BMI 40 44.9: Youre on the diet for Two Weeks
  • BMI 50 49.9: Youre on the diet for Three Weeks
  • BMI > 50: Youre on the diet for Four Weeks

Heres a simple calculator to see how long you will likely be on the pre op diet.

Will I Be Able To Do It

2-Week Pre-Op Diet for GASTRIC BYPASS

Yes, absolutely!

You can do this.

Develop a plan. I suggest preparing these recipes ahead of time to help you feel more confident going into this diet.

  • Chicken Broth
  • Fruit Infused Water

Its also helpful to know what you will be drinking each hour of the day to help you stay on track. See the meal plan below to help you plan out your day.

I also encourage you to talk with others that have been through it. Learning about other peoples experience can help you gain confidence in your ability to complete this stage before surgery.

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