13 January 2021

Section 10: Golden rules for eating after gastric bypass & sleeve gastrostomy


  1. Eat 3 regular small meals, even if you don’t feel hungry
  2. Do not snack between meals, unless you are feeling physically hungry or need to top up your protein
  3. Fill half your plate with protein, and eat this first
    • Aim for 60-80g / day if you are female
    • 80-100g / day if you are male
  4. Take small bites, chew well, and eat slowly
  5. Once back on solids, do not drink with your meals or for 30-60 minutes afterwards
  6. Avoid/limit calorific drinks and high energy snacks (e.g. biscuits, chocolate, cakes, crisps). If you need a snack, make sure it contains protein

  7. Aim to drink 2L (4-5 pints) of fluids per day, but avoid fizzy drinks as they can cause bloating and abdominal discomfort
  8. Take all your supplements as prescribed
  9. Increase your activity levels. Plan regular moderate or vigorous exercise – aim for 150 minutes per week.
  10. Attend your follow up appointments regularly


People who follow the above rules consistently have been shown to achieve the best results. 



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