Sleeve gastrectomy is an effective surgical procedure for treating obesity. However, a healthy post-operative diet is crucial for a successful recovery and to prevent complications. This guide details the post-operative diet, week by week.

Week 1: Liquid Diet

Immediately after surgery, only clear liquids should be consumed to support stomach healing.

Foods to Consume:

Water
Unsweetened herbal teas
Unsweetened meat or chicken broth
Diet jelly
Lactose-free milk or low-lactose protein supplements
Avoid:

Fizzy drinks
Caffeinated and acidic beverages
Sugary beverages
Week 2: Puree Diet

The stomach is gradually prepared for solid foods. All foods should be thoroughly pureed.

Foods to Eat:

Vegetable purees with extra virgin olive oil
Protein powders added to yogurt
Pureeed chicken or fish
Lactose-free yogurt or kefir
Oatmeal (liquid form)
Avoid:

Highly spicy and acidic foods
High-fat foods
Nuts with hard shells
Weeks 3-4: Transition to Soft Foods

The stomach begins to adjust to more complex foods. However, meals should be soft and easily chewable.

Foods to Eat:

Egg whites and soft-cooked omelets
Boiled and mashed vegetables
Soft cheeses (unsalted and low-fat)
Soft-cooked chicken and fish
Fruit purees (bananas, apples, pears)
Avoid:

Red meat (may still be difficult to digest)
Raw vegetables high in fiber
Pastries and desserts
Weeks 5-8 Weeks 2: Transition to Solid Foods

During this period, dietary diversity increases, but caution should still be exercised.

Foods to Consume:

Lean red meat (well-cooked and finely chopped)
Legumes (well-cooked and without skin)
Low-salt and low-fat cheeses
Whole-grain bread (start with small portions)
Fruits without skin
Avoid:

Fried foods and high-fat foods
Alcohol and carbonated beverages
Hard-shelled fruits (apples and pears should not be eaten with their skins)
After Month 2: Transition to a Normal Diet

Although your eating routine returns to normal, portion control and healthy choices should be a priority.

Foods to Eat:

All vegetables and fruits (those with skin should be chewed thoroughly)
Whole grains
Lean protein sources
Nuts (in small portions)
Avoid:

Fast food and heavy fatty meals
Soda and alcoholic beverages
Sugary and processed foods