Please see our Pre-Op Diet guide. This will depend on what your body mass index is. The higher your BMI, the longer your pre-op bariatric diet will be.

Start the pre-op diet based on you’re current BMI. (*BMI is in BOLD)

  • 30-32 = 2 days clear liquids only
  • 33-39 = 1-week pre-op diet including two days of clear liquids
  • 40-45 = 2 weeks pre-op diet including two days of clear liquids
  • 46-49 = 3 weeks pre-op diet including two days of clear liquids
  • 50-59 = 6 weeks of pre-op diet including two days of clear liquid diet
  • 60 plus = 8 weeks pre-op diet including two days of clear liquid

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