Phase I – Bariatric Diet

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Sugar-Free, Carbonation-Free, Caffeine-Free, Clear Liquids

You will be on the Phase 1 Bariatric diet for 1-2 days after your bariatric procedure or until tolerated.

Types of foods/liquids permitted:
Clear liquids – non-dairy fluids that cause minimal amount of residue in the digestive tract.  Fluids that are see-through (when held in front of a piece of paper you should be able to read the text through the liquid).

Examples of Clear Liquids
WaterPlain decaffeinated tea (no milk or creamer)
Crystal Light®Plain decaffeinated coffee, black (no milk or creamer)
Sugar-free Snapple®Clear flavored, low sodium broth (chicken, beef, seafood, vegetable)
Sugar-free Kool Aid®Sugar free drink mixes


Clear “solids” – “solids” that become liquids at room temperature

Example of Clear Solids
Sugar free (diet) Jello®Sugar free popsicles


Sugar substitutes are permitted (please refer to the list of “Sugar-Substitutes” page 124)

Types of foods/liquids NOT permitted:

§  No solid foods§  No caffeinated beverages
§  No carbonated beverages§  No alcoholic beverages
§  No dairy or milk

§  No fruit or juices

§  No vitamin or mineral supplementation

Important Nutritional Considerations

  • Try to drink 1 ounces (1/8 of a cup) of clear liquids every 30 minutes
  • The goal is to practice sipping fluids and stay hydrated
  • Remember to sip slowly, do not gulp, do not use a straw
  • Avoid extreme temperatures (extreme cold or hot)
  • Always check your tolerance level and stop drinking when full
  • Always remember to keep increasing physical activity as tolerated (as directed by physician)

Sample of a Phase I Bariatric Diet Menu

MorningDecaffeinated coffee with Splenda® (without cream/milk/sugar)
BreakfastLow sodium chicken broth
Mid-morningCrystal Light® mixed with water
LunchLow sodium seafood broth
Mid-afternoonWater (flavored if desired)                           
DinnerLow sodium beef broth
EveningDecaffeinated tea with Splenda®

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