Pre-Op Diet Instructions

The Pre-Op Diet has been designed to burn liver fat. Fatty infiltration of the liver is a common result of morbid fatness. This diet enables the liver fat to burn up quickly and avoid gaining weight for 2 weeks before your surgery. An enlarged and fatty liver can complicate bariatric surgery.

The Pre-Op Diet Offers Two Options

Proti Shakes and Bars

Your Proti Shakes and Bars Diet continues until two days before surgery. The start date is provided by us. The shakes become your breakfast, lunch, and dinner. You can also have one more of the bars and shakes as snacks.

4 protein shakes and 1 protein bar should be your daily intake. Shakes care available in individual bottles with pre–measured powder. Simply add water, shake and drink.

Bariatric Advantage Protein Powder

Your Bariatric Advantage Protein Powder continues until two days before surgery. The start date is provided by us at your office visit. Since this is a meal replacement, the shakes become your breakfast, lunch, and dinner.

Your daily intake should consist of 3 daily shakes. They are made using 2 scoops of protein powder and your preference of either water, skim milk, light soy milk or light almond milk. You can have 2 light yogurts or 1 light yogurt and 1 Proti Bar in addition to the 3 protein shakes.

Premier Protein Shakes

Your Premier Protein Shake diet continues until two days before surgery. The start date is provided by us at your office visit. Since this is a meal replacement diet, these shakes serve as your breakfast, lunch, and dinner.

Having 3 shakes each day is the diet requirement. You can also have 2 light yogurts or 1 light yogurt and 1 Proti Bar in addition to the shakes.

Sample Menu For Pre-Op Diet Breakfast:

BREAKFAST: Protein shake.
MID-MORNING SNACK: Greek yogurt
LUNCH: Protein shake
MID-AFTERNOON SNACK: Greek yogurt
DINNER: Protein shake

If you are intolerant of lactose or allergic to artificial sweeteners the following options are available:

  • Vega Performance
  • Garden of Life
  • Designer Whey

Optional Snacks

All of these snacks can be enjoyed with any of the three diets listed above. Avoid carbonation, added sugar /calories, caffeine.

  • Diet Snapple
  • Sugar –free Jello
  • No- added sugar popsicles
  • Decaf Coffee
  • Herbal Tea
  • Decaf Non Caloric Iced Tea
  • Crystal Light
  • Non-caloric flavored water
  • Fruit -2-0
  • Mio Drops Chicken/Beef/Vegetable broth

Pre-Op Diet: Clear Liquids

You are only allowed clear liquids the last two days before your surgery. Note: Carbonated beverages, coffee, and milk are NOT allowed.

Sample Pre-Op Clear Liquids Menu

BREAKFAST: Sugar-free Jello, Light Cranberry Juice Cocktail, herbal tea with lemon
LUNCH: Light Apple Juice, No Added sugar popsicle, Fat-free Chicken Broth
DINNER: Sugar-free Jello, Fat-free Beef Broth, Light White Grape Juice,
BETWEEN MEALS: You can have as much as you like of clear liquids, including water.

Substitutions of some items are allowed (examples: other light or diluted juices, fat free vegetable broth, herb tea). Ask our nutritionist if you are unsure of any substitutions.

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