Post-Operative Surgical Weight Loss Diet

Post-Operative Diet for Surgical Weight Loss Patients Two Weeks After Surgery

Phase 2B: Seven Day Meal Plan - High Protein Full Liquid Diet

You will follow Phase 2B for 2 weeks after surgery. The Phase 2B meal plan will help decrease nausea after surgery.

Your surgical weight loss dietitian will advance your diet when you meet one on one at your 2-3 week follow-up appointment. You should NOT advance your diet before this appointment.
You will be on this diet for 2 weeks after your surgery. ​The Phase 2B meal plan is to be followed by all sleeve and gastric bypass patients for the 2-3 weeks following surgery. This meal plan...

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  • You should try to consume 60-80 grams of protein per day. Most protein drinks have between 10-15 grams for every 8-11 ounces.

  • Avoid drinking ½ hour before your meal and ½ hour after your meal so you are able to tolerate the full 8 ounces of protein drink.

  • Drink slowly or SIP, SIP, SIP. It should take you 30 minutes to drink up to 8 ounces of fluid; it is common to feel “full” after drinking only 4-6 ounces immediately after surgery. Stop your “meal” after 30 minutes.

  • Avoid all carbonated fluids. Carbonated fluids may stretch your new stomach and can be very uncomfortable (GAS).

  • Do not chew gum.

  • Do not graze between meals. If you are hungry between meals, limit your snacks to 8 oz of milk or 4 oz of a protein drink.

  • Do not use a straw to sip your fluids; doing so can lead to extra air accumulating in the new stomach causing discomfort.

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2 weeks before surgery you should be taking:

  • 2 chewable complete multivitamins (no gummies)
  • Calcium with vitamin D (500-600mg Calcium and ≥400 IU Vitamin D per pill) twice a day.

For 2 weeks after surgery, you will continue taking:

  • 2 chewable complete multivitamins but you will stop taking the Calcium with vitamin D

If you have any questions, please call us at 207-973-6383.


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